{ "schemaVersion": 1, "id": "sentence-repair", "title": "Sentence Repair", "category": "Grammar", "gradeRange": { "min": 5, "max": 8 }, "locale": "en-US", "description": "Complete-sentence editing with subject–verb agreement, fragments, run-ons, four repair choices, and explanations.", "items": [ { "sentence": "The basket of apples sit on the counter.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "The basket of apples sits on the counter.", "options": [ "The basket of apples sits on the counter.", "The basket of apples sit on the counter.", "The basket of apples are sitting on the counter.", "The basket of apples have sat on the counter." ], "explanation": "Basket is the singular subject. The phrase of apples does not change it, so use sits.", "skill": "Subject–verb agreement", "difficulty": "Medium" }, { "sentence": "My friends walks to the library.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "My friends walk to the library.", "options": [ "My friends walk to the library.", "My friends walks to the library.", "My friends is walking to the library.", "My friends has walked to the library." ], "explanation": "Friends is plural, so the present-tense verb is walk.", "skill": "Subject–verb agreement", "difficulty": "Easy" }, { "sentence": "Each of the musicians have a music stand.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "Each of the musicians has a music stand.", "options": [ "Each of the musicians has a music stand.", "Each of the musicians have a music stand.", "Each of the musicians are using a music stand.", "Each of the musicians were using a music stand." ], "explanation": "Each is singular, even when a plural noun follows it. Use has.", "skill": "Subject–verb agreement", "difficulty": "Hard" }, { "sentence": "Neither light are working.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "Neither light is working.", "options": [ "Neither light is working.", "Neither light are working.", "Neither light were working.", "Neither light have been working." ], "explanation": "Neither light is a singular subject: it means not one light and not the other. Use is.", "skill": "Subject–verb agreement", "difficulty": "Hard" }, { "sentence": "The news are surprising.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "The news is surprising.", "options": [ "The news is surprising.", "The news are surprising.", "The news were surprising.", "The news have been surprising." ], "explanation": "News ends in s, but it is a singular noun. Use is.", "skill": "Subject–verb agreement", "difficulty": "Medium" }, { "sentence": "A pair of boots were beside the door.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "A pair of boots was beside the door.", "options": [ "A pair of boots was beside the door.", "A pair of boots were beside the door.", "A pair of boots have been beside the door.", "A pair of boots are beside the door." ], "explanation": "The subject is the singular word pair, so use was.", "skill": "Subject–verb agreement", "difficulty": "Hard" }, { "sentence": "Lila and Noor shares a table.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "Lila and Noor share a table.", "options": [ "Lila and Noor share a table.", "Lila and Noor shares a table.", "Lila and Noor has shared a table.", "Lila and Noor is sharing a table." ], "explanation": "Two people joined by and form a plural subject. Use share.", "skill": "Subject–verb agreement", "difficulty": "Easy" }, { "sentence": "The dog beside the gates bark every morning.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "The dog beside the gates barks every morning.", "options": [ "The dog beside the gates barks every morning.", "The dog beside the gates bark every morning.", "The dog beside the gates are barking every morning.", "The dog beside the gates have barked every morning." ], "explanation": "Dog is the subject, not gates. One dog barks.", "skill": "Subject–verb agreement", "difficulty": "Medium" }, { "sentence": "Every student in the groups need a pencil.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "Every student in the groups needs a pencil.", "options": [ "Every student in the groups needs a pencil.", "Every student in the groups need a pencil.", "Every student in the groups are needing a pencil.", "Every student in the groups have needed a pencil." ], "explanation": "Every student refers to one student at a time. Use needs.", "skill": "Subject–verb agreement", "difficulty": "Hard" }, { "sentence": "There is three turtles on the log.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "There are three turtles on the log.", "options": [ "There are three turtles on the log.", "There is three turtles on the log.", "There has been three turtles on the log.", "There was three turtles on the log." ], "explanation": "The subject comes after the verb: three turtles is plural, so use are.", "skill": "Subject–verb agreement", "difficulty": "Medium" }, { "sentence": "The boxes near the stairs was empty.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "The boxes near the stairs were empty.", "options": [ "The boxes near the stairs were empty.", "The boxes near the stairs was empty.", "The boxes near the stairs has been empty.", "The boxes near the stairs is empty." ], "explanation": "Boxes is plural. The plural past-tense form is were.", "skill": "Subject–verb agreement", "difficulty": "Easy" }, { "sentence": "One of the campers know the trail.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "One of the campers knows the trail.", "options": [ "One of the campers knows the trail.", "One of the campers know the trail.", "One of the campers are knowing the trail.", "One of the campers have known the trail." ], "explanation": "One is the singular subject. Use knows, even though campers is plural.", "skill": "Subject–verb agreement", "difficulty": "Medium" }, { "sentence": "Because the path was muddy.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "Because the path was muddy, we wore boots.", "options": [ "Because the path was muddy, we wore boots.", "Because the path was very muddy.", "Because of the muddy path.", "The path, because it was muddy." ], "explanation": "Because begins a dependent clause. Adding we wore boots completes the thought.", "skill": "Fragments", "difficulty": "Easy" }, { "sentence": "Although Maya practiced every day.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "Although Maya practiced every day, she still felt nervous.", "options": [ "Although Maya practiced every day, she still felt nervous.", "Although Maya practiced every single day.", "Although practicing every day.", "Maya, although she practiced every day." ], "explanation": "Although introduces a dependent idea. She still felt nervous supplies a complete main clause.", "skill": "Fragments", "difficulty": "Medium" }, { "sentence": "The tall sunflower near the fence.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "The tall sunflower near the fence attracted bees.", "options": [ "The tall sunflower near the fence attracted bees.", "The very tall sunflower near the fence.", "Near the fence, the tall sunflower.", "The tall sunflower that grew near the fence." ], "explanation": "The original names a subject without saying what it does. Attracted bees supplies the predicate.", "skill": "Fragments", "difficulty": "Easy" }, { "sentence": "Ran across the playground.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "The children ran across the playground.", "options": [ "The children ran across the playground.", "Quickly ran across the playground.", "Across the playground, running quickly.", "The children who ran across the playground." ], "explanation": "The original does not name who ran. The children supplies the missing subject.", "skill": "Fragments", "difficulty": "Easy" }, { "sentence": "After the last bus left.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "After the last bus left, we walked home.", "options": [ "After the last bus left, we walked home.", "After the very last bus left.", "After the departure of the last bus.", "The last bus, after it left." ], "explanation": "After the last bus left needs a main clause. We walked home completes the sentence.", "skill": "Fragments", "difficulty": "Medium" }, { "sentence": "When the timer rings.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "When the timer rings, take the bread out.", "options": [ "When the timer rings, take the bread out.", "When the loud timer rings.", "The timer that rings loudly.", "When ringing the timer." ], "explanation": "Take the bread out is a complete command. Its understood subject is you.", "skill": "Fragments", "difficulty": "Medium" }, { "sentence": "The student who designed the poster.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "The student who designed the poster won a prize.", "options": [ "The student who designed the poster won a prize.", "The student who carefully designed the poster.", "The student with the poster design.", "The student designing the poster." ], "explanation": "Who designed the poster describes the student. The sentence still needs a main verb, such as won.", "skill": "Fragments", "difficulty": "Hard" }, { "sentence": "Under the old wooden bridge.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "A stream flowed under the old wooden bridge.", "options": [ "A stream flowed under the old wooden bridge.", "Right under the old wooden bridge.", "Under the bridge near the old mill.", "The old wooden bridge over the stream." ], "explanation": "Under the old wooden bridge is a phrase. A stream flowed adds a subject and a verb.", "skill": "Fragments", "difficulty": "Easy" }, { "sentence": "While the paint was drying.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "While the paint was drying, we washed the brushes.", "options": [ "While the paint was drying, we washed the brushes.", "While the blue paint was drying.", "The paint that was slowly drying.", "While drying the fresh paint." ], "explanation": "While begins a dependent clause. We washed the brushes is the main clause it needs.", "skill": "Fragments", "difficulty": "Medium" }, { "sentence": "To finish the model before Friday.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "We worked together to finish the model before Friday.", "options": [ "We worked together to finish the model before Friday.", "To carefully finish the model before Friday.", "Finishing the model before Friday.", "The model to finish before Friday." ], "explanation": "To finish introduces a phrase. We worked together gives the sentence a subject and a complete verb.", "skill": "Fragments", "difficulty": "Hard" }, { "sentence": "A bright comet with a long tail.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "A bright comet with a long tail crossed the sky.", "options": [ "A bright comet with a long tail crossed the sky.", "A very bright comet with a long tail.", "With a long tail, a bright comet.", "A bright comet that had a long tail." ], "explanation": "The original is a noun phrase. Crossed the sky tells what the comet did.", "skill": "Fragments", "difficulty": "Easy" }, { "sentence": "Even though the map was hard to read.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "Even though the map was hard to read, we found the campsite.", "options": [ "Even though the map was hard to read, we found the campsite.", "Even though the old map was hard to read.", "The map that was very hard to read.", "Even with a map that was hard to read." ], "explanation": "Even though introduces a dependent clause. We found the campsite supplies the complete main thought.", "skill": "Fragments", "difficulty": "Hard" }, { "sentence": "The rain stopped we went outside.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "The rain stopped, so we went outside.", "options": [ "The rain stopped, so we went outside.", "The rain stopped, we went outside.", "The rain stopped we went outside!", "Because the rain stopped we went outside and." ], "explanation": "So joins the two complete ideas, and a comma comes before it.", "skill": "Run-ons", "difficulty": "Easy" }, { "sentence": "I packed a lunch, the hike would take all day.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "I packed a lunch because the hike would take all day.", "options": [ "I packed a lunch because the hike would take all day.", "I packed a lunch, the hike would take all day.", "I packed a lunch the hike would take all day.", "Because the hike would take all day." ], "explanation": "Because makes the second idea dependent and explains why the lunch was packed.", "skill": "Run-ons", "difficulty": "Medium" }, { "sentence": "The gate was locked we tried another entrance.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "The gate was locked. We tried another entrance.", "options": [ "The gate was locked. We tried another entrance.", "The gate was locked, we tried another entrance.", "The gate was locked we tried another entrance.", "The gate was locked; trying another entrance." ], "explanation": "A period separates the two complete sentences. The new sentence begins with a capital letter.", "skill": "Run-ons", "difficulty": "Easy" }, { "sentence": "Omar likes drawing, his sister prefers sculpture.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "Omar likes drawing, but his sister prefers sculpture.", "options": [ "Omar likes drawing, but his sister prefers sculpture.", "Omar likes drawing his sister prefers sculpture.", "Omar likes drawing, his sister prefers sculpture.", "Omar likes drawing; but his sister preferring sculpture." ], "explanation": "But links two contrasting complete clauses. Use a comma before but.", "skill": "Run-ons", "difficulty": "Medium" }, { "sentence": "The batter was ready we poured it into the pan.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "The batter was ready; we poured it into the pan.", "options": [ "The batter was ready; we poured it into the pan.", "The batter was ready, we poured it into the pan.", "The batter was ready we poured it into the pan.", "The batter was ready; pouring it into the pan." ], "explanation": "A semicolon can join two closely related complete clauses.", "skill": "Run-ons", "difficulty": "Hard" }, { "sentence": "We heard thunder, we headed indoors.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "When we heard thunder, we headed indoors.", "options": [ "When we heard thunder, we headed indoors.", "We heard thunder we headed indoors.", "We heard thunder, we headed indoors.", "When we heard thunder." ], "explanation": "When makes the first clause dependent. The second clause supplies the complete main idea.", "skill": "Run-ons", "difficulty": "Medium" }, { "sentence": "The seedlings needed water I filled the watering can.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "The seedlings needed water, so I filled the watering can.", "options": [ "The seedlings needed water, so I filled the watering can.", "The seedlings needed water, I filled the watering can.", "The seedlings needed water I filled the watering can.", "The seedlings needed water; filling the watering can." ], "explanation": "So connects the need for water with the action it caused. Put a comma before so.", "skill": "Run-ons", "difficulty": "Easy" }, { "sentence": "Leah checked her answer, she found a small mistake.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "Leah checked her answer and found a small mistake.", "options": [ "Leah checked her answer and found a small mistake.", "Leah checked her answer she found a small mistake.", "Leah checked her answer, she found a small mistake.", "After Leah checked her answer." ], "explanation": "One subject, Leah, can share the two verbs checked and found. And joins those verbs.", "skill": "Run-ons", "difficulty": "Medium" }, { "sentence": "The library closed at six we arrived at seven.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "The library closed at six; we arrived at seven.", "options": [ "The library closed at six; we arrived at seven.", "The library closed at six, we arrived at seven.", "The library closed at six we arrived at seven.", "The library closing at six; we arrived at seven." ], "explanation": "Both sides of this semicolon are complete clauses with a subject and a verb.", "skill": "Run-ons", "difficulty": "Hard" }, { "sentence": "A fox crossed the field, the rabbits hid.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "A fox crossed the field. The rabbits hid.", "options": [ "A fox crossed the field. The rabbits hid.", "A fox crossed the field the rabbits hid.", "A fox crossed the field, the rabbits hid.", "When a fox crossed the field." ], "explanation": "Two complete ideas can become two sentences. Each needs its own subject and complete verb.", "skill": "Run-ons", "difficulty": "Easy" }, { "sentence": "I could borrow the book I could read it online.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "I could borrow the book, or I could read it online.", "options": [ "I could borrow the book, or I could read it online.", "I could borrow the book, I could read it online.", "I could borrow the book I could read it online.", "I could borrow the book; or reading it online." ], "explanation": "Or connects the two complete choices. Use a comma before or.", "skill": "Run-ons", "difficulty": "Medium" }, { "sentence": "The trail was steep, we reached the top.", "instruction": "Choose the complete, correct repair that keeps the original idea.", "answer": "Although the trail was steep, we reached the top.", "options": [ "Although the trail was steep, we reached the top.", "The trail was steep we reached the top.", "Although the trail was steep.", "The trail was steep, we reached the top." ], "explanation": "Although makes the first clause dependent. We reached the top is the complete main clause.", "skill": "Run-ons", "difficulty": "Hard" } ] }