Unit 5 Work it out 重点语法（专项训练）-2025-2026学年外研版（三起）英语五年级下册

2025-2026学年外研版（三起）五年级英语下册Unit 5 Work it out 重点语法专项训练 班级：________ 姓名：________ 分数：________ 满分：100分 核心语法梳理（课堂必背） 语法点1：情态动词can的核心用法 1. 含义：表示“能够、会、可以”，用于描述个人能力或提出委婉请求。 2. 句式结构： 肯定句：主语 + can + 动词原形 + 其他 否定句：主语 + can’t (cannot) + 动词原形 + 其他 一般疑问句：Can + 主语 + 动词原形 + 其他？ 3. 关键规则：can为情态动词，无人称和数的变化，后面必须接动词原形，不可接动词ing形式、第三人称单数形式。 语法点2：一般现在时实义动词否定句 1. 主语为第一、二人称及复数人称（I/we/you/复数名词），否定结构：主语 + don’t + 动词原形 + 其他 2. 核心考点：否定句中，实义动词必须还原为原形，不可用变形形式。 语法点3：本单元重点固定句型 1. Work it out. 算出它/解决它。 2. Can you help me? 你能帮帮我吗？ 3. I can work it out. 我能解决它。 4. I can’t do it. 我做不到。 专项题型训练 一、用所给动词的适当形式填空（每空1分，共20分） 根据can的用法及一般现在时规则，将括号内动词变为正确形式，每空一词。 1. I can ________ (work) out this problem. 2. She can’t ________ (solve) the question. 3. Can you ________ (help) me, Tom? 4. We can ________ (finish) our homework today. 5. They can’t ________ (find) the answer. 6. My brother can ________ (count) the numbers. 7. Can Lily ________ (read) English stories? 8. I don’t ________ (know) how to work it out. 9. You can ________ (try) again, don’t give up. 10. He can’t ________ (do) this difficult maths problem. 11. We don’t ________ (need) any help now. 12. Can they ________ (play) the puzzle game? 13. The girl can ________ (write) short English sentences. 14. I can’t ________ (understand) this question. 15. You don’t ________ (have) to do it alone. 16. Can we ________ (work) together? 17. Sam can ________ (spell) this new word. 18. They can’t ________ (catch) the small bird. 19. I don’t ________ (want) to give up. 20. Can you ________ (explain) it to me? 二、句型转换（每题2分，共30分） 按要求改写句子，每空一词，缩写词算一词，严格遵循本单元语法规则。 1. I can work out this problem.（改为否定句） I ________ ________ out this problem. 2. She can help me.（改为一般疑问句） ________ ________ help you? 3. We can finish the task.（改为否定句） We ________ ________ the task. 4. Can he do this job?（作肯定回答） ________, he ________. 5. Can they find the answer?（作否定回答） ________, they ________. 6. I know how to work it out.（改为否定句） I ________ ________ how to work it out. 7. You can try again.（改为一般疑问句） ________ ________ try again? 8. He can solve the difficult problem.（改为否定句） He ________ ________ the difficult problem. 9. We need your help.（改为否定句） We ________ ________ your help. 10. Lily can read English books.（改为一般疑问句并作肯定回答） —________ Lily ________ English books? —________, she ________. 11. Tom can spell the new word.（改为否定句） Tom ________ ________ the new word. 12. I want to try again.（改为否定句） I ________ ________ to try again. 13. They can work together.（改为一般疑问句并作否定回答） —________ they ________ together? —________, they ________. 14. You can understand it.（改为否定句） You ________ ________ it. 15. We can do it well.（改为一般疑问句） ________ ________ do it well? 三、改错句（每小题2分，共20分） 下列每句话均有一处语法错误，请找出错误并将正确句子写在横线上，重点修正can用法、动词形式、否定句式错误。 1. I can works out the maths problem. ________________________________________ 2. She can’t helps me with my homework. ________________________________________ 3. Can you helps me work it out? ________________________________________ 4. I don’t knows the answer to the question. ________________________________________ 5. He can solving this easy problem. ________________________________________ 6. We can’t finds our English book. ________________________________________ 7. You don’t needs to worry about it. ________________________________________ 8. Can they plays the puzzle game with me? ________________________________________ 9. I can’t understands this sentence. ________________________________________ 10. She don’t want to try again. ________________________________________ 四、连词成句（每小题2分，共20分） 根据语法规则及本单元句型，将所给单词连成完整、通顺的句子，注意大小写和标点符号。 1. can, out, I, it, work (.) ________________________________________ 2. me, you, Can, help (?) ________________________________________ 3. can’t, problem, this, I, solve (.) ________________________________________ 4. try, again, can, You (.) ________________________________________ 5. know, I, don’t, how, it, do, to (.) ________________________________________ 6. work, we, Can, together (?) ________________________________________ 7. he, difficult, the, can, problem, solve (.) ________________________________________ 8. need, we, help, don’t, your (.) ________________________________________ 9. spell, can, new, Sam, words (.) ________________________________________ 10. understand, can’t, I, sentence, this (.) ________________________________________ 五、根据中文提示补全句子（每空1分，共10分） 根据句意及中文提示，用本单元核心语法补全句子，每空一词。 1. 我可以算出这道难题。 I ________ ________ ________ this difficult problem. 2. 你能帮我吗？ ________ ________ ________ me? 3. 我不会解决这个问题。 I ________ ________ this problem. 4. 我们不需要帮助。 We ________ ________ any help. 5. 他可以再试一次。 He ________ ________ again. 参考答案 一、用所给动词的适当形式填空（每空1分，共20分） 1. work 2. solve 3. help 4. finish 5. find 6. count 7. read 8. know 9. try 10. do 11. need 12. play 13. write 14. understand 15. have 16. work 17. spell 18. catch 19. want 20. explain 二、句型转换（每题2分，共30分） 1. can’t; work 2. Can; she 3. can’t; finish 4. Yes; can 5. No; can’t 6. don’t; know 7. Can; you 8. can’t; solve 9. don’t; need 10. Can; read; Yes; can 11. can’t; spell 12. don’t; want 13. Can; work; No; can’t 14. can’t; understand 15. Can; you 三、改错句（每小题2分，共20分） 1. I can work out the maths problem. 2. She can’t help me with my homework. 3. Can you help me work it out? 4. I don’t know the answer to the question. 5. He can solve this easy problem. 6. We can’t find our English book. 7. You don’t need to worry about it. 8. Can they play the puzzle game with me? 9. I can’t understand this sentence. 10. She doesn’t want to try again. 四、连词成句（每小题2分，共20分） 1. I can work it out. 2. Can you help me? 3. I can’t solve this problem. 4. You can try again. 5. I don’t know how to do it. 6. Can we work together? 7. He can solve the difficult problem. 8. We don’t need your help. 9. Sam can spell new words. 10. I can’t understand this sentence. 五、根据中文提示补全句子（每空1分，共10分） 1. can; work; out 2. Can; you; help 3. can’t; solve 4. don’t; need 5. can; try 学科网（北京）股份有限公司 $