Unit4 Helping out语法知识专项训练 2025-2026学年外研版八年级下册英语

**基本信息** 聚焦动词不定式等5大核心语法，通过9类题型构建从基础识别到综合运用的渐进式训练体系，强化语言能力与思维品质。 **专项设计** |模块|题量/典例|题型特征|知识逻辑| |----|-----------|----------|----------| |基础识别|5题|考查词形/语法形式差异|区分动词不定式与ing形式、情态动词与连词| |语法应用|15单+10情景+20填空|直接考查语法点正确形式|覆盖不定式作主语/宾语、情态动词后接动词原形等核心用法| |纠错提升|20改错|纠正常见语法错误|强化it作形式主语、while从句时态等易错点| |综合运用|10完形+20句型+10补全+10连词|语境化语法运用|整合非谓语动词、时间状语从句等知识解决实际语言问题|

外研版八年级下册英语 Unit4 Helping out语法知识专项训练 （满分120分） 核心语法：动词不定式（to do）、动词–ing形式、when/while时间状语从句、情态动词should/shouldn’t、it作形式主语. 一、选出不同类的一项（每题1分，共5分） ( ) 1. A. help B. volunteer C. tidy D. serious ( ) 2. A. quickly B. happily C. lonely D. quietly ( ) 3. A. to help B. working C. to do D. to clean ( ) 4. A. should B. while C. when D. before ( ) 5. A. better B. kinder C. good D. easier 二、单项选择题（每题1分，共15分） 1.It’s important for us ______ others. A. help B. to help C. helping D. helped 2.We should ______ our parents with housework. A. help B. to help C. helping D. helped 3.He is good at ______ up the room. A. tidy B. tidying C. to tidy D. tidied 4.I was reading ______ my mother came in. A. when B. while C. since D. until 5.They decided ______ at the old people’s home. A. work B. working C. to work D. worked 6.My brother likes ______ others. He is helpful. A. helping B. to help C. help D. helps 7.It’s kind ______ you to help me so much. A. for B. of C. to D. with 8.We should try ______ waste food. A. not make B. not to make C. not making D. don’t make 9.I saw him ______ when I passed by. A. cleaning B. clean C. to clean D. cleaned 10.It’s necessary ______ every day to keep healthy. A. exercise B. exercising C. to exercise D. exercises 11.She stopped ______ a rest because she was tired. A. have B. having C. to have D. had 12.While I ______, my father was repairing the bike. A. study B. studied C. am studying D. was studying 13.You shouldn’t ______ too much time on computer. A. spend B. to spend C. spending D. spent 14.It’s difficult for me ______ the work alone. A. finish B. finishing C. to finish D. finished 15.We often volunteer ______ the park clean. A. keep B. to keep C. keeping D. kept 三、情景对话填空（用所给词的正确形式填空，每题1分，共10分） A: Hi, Lingling! What do you plan ______ (do) this weekend? B: I want ______ (volunteer) at the community center. A: What do you often do there? B: We help ______ (clean) the street and look after the old. A: It’s important ______ (help) people in need. B: Yes. While we ______ (work), we feel very happy. A: Can I join you? B: Sure. Remember ______ (wear) comfortable shoes. A: OK. I hope ______ (do) something meaningful. B: Great. Helping others makes us ______ (good) people. 四、用括号内单词的正确形式填空（每题1分，共20分） 1.It’s good for us ______ (help) the old. 2.We should ______ (share) things with others. 3.He enjoys ______ (volunteer) in his free time. 4.While I ______ (sweep) the floor, the bell rang. 5.You should try ______ (be) more careful. 6.It’s wrong ______ (laugh) at others. 7.They decided ______ (raise) money for poor kids. 8.I saw her ______ (water) the flowers at 8 yesterday. 9.We must avoid ______ (waste) food. 10.It’s kind of you ______ (give) me so much help. 11.She stopped ______ (talk) and listened to the teacher. 12.We should help ______ (keep) our school clean. 13.While my mother ______ (cook), I was doing my homework. 14.It’s necessary for us ______ (learn) some life skills. 15.He is good at ______ (repair) small things. 16.You shouldn’t ______ (play) with fire. 17.They want ______ (do) something helpful. 18.I spent an hour ______ (tidy) my room. 19.It’s important ______ (finish) homework on time. 20.Helping others makes the world ______ (warm). 五、语法改错题（共20分） A. 单句改错（每题1分，共10分） 1.It’s kind for you to help me. →__________ 2.We should to help our parents. →__________ 3.I enjoy clean the room. →__________ 4.It’s important to helping others. →__________ 5.While I read, he was working. →__________ 6.They decide to helped yesterday. →__________ 7.I saw him to clean the street. →__________ 8.Help others make me happy. →__________ 9.You should try not waste food. →__________ 10.She is good at cook. →__________ B. 语段改错（每题2分，共10分） It is important help others. We should to learn some life skills.While I was clean my room, my father was repairing chairs. It’s kind for you to give me so much help.Volunteering make our life more meaningful. 1. __________ 2. __________ 3. __________ 4. __________ 5. __________ 六、完形填空（每题1分，共10分） Helping others is a great thing. We can 1 others in many ways.It’s important for us 2 others. We should 3 the old and help the weak. When we see someone in trouble, we should try our best 4 them. Many students like 5 as volunteers. They help clean the park, look after the old and raise money.While they 6, they feel happy. It’s good 7 us to do something helpful. Helping others can make the world 8 and more beautiful. It’s our duty 9 people around us. If everyone gives a little love, the world 10 better and better. 1. A. laugh at B. help C. fight D. worry 2. A. care B. to care C. caring D. cared 3. A. respect B. hate C. forget D. lose 4. A. help B. to help C. helping D. helped 5. A. work B. to work C. working D. works 6. A. volunteer B. are volunteering C. volunteered D. volunteering 7. A. for B. of C. to D. with 8. A. warm B. warmer C. warmest D. more warm 9. A. help B. to help C. helping D. helped 10.A. become B. becomes C. will become D. became 七、句型转换（每题2分，共20分） 1.It’s good to help others.（同义句） ______ ______ ______ is good. 2.We should help the old.（否定句） We ______ ______ the old. 3.I was reading. My mother was cooking.（用while合并） ______ I ______ ______, my mother ______ ______. 4.He is kind. He helps me.（合并） It’s kind ______ ______ ______ me. 5.You shouldn’t waste food.（同义句） ______ ______ food. 6.They decided to volunteer.（对划线提问） ______ ______ they decide ______ ______? 7.It’s necessary to learn life skills.（一般疑问句） ______ ______ necessary to learn life skills? 8.We should do something to help others.（否定句） We ______ do ______ to help others. 9.I spent half an hour tidying the room.（同义句） It ______ me half an hour ______ ______ the room. 10.Helping out is meaningful.（同义句） ______ meaningful ______ ______ out. 八、语法运用补全短文（每空2分，共10分） It’s important for us ______ (help) others.We should ______ (share) our things and help the old.While we ______ (volunteer), we feel very happy.We should avoid ______ (waste) food and water.If we help each other, the world ______ (become) better. 九、连词成句（每题2分，共10分） 1.should, we, others, help, others, the, help __________________________________________________. 2.it’s, for, us, important, to, volunteer __________________________________________________. 3.while, was, I, cleaning, my, room, came, mother, in __________________________________________________. 4.should, we, not, waste, food, or, water __________________________________________________. 5.helping, makes, world, the, better, us __________________________________________________. 参考答案 一、选出不同类的一项. 1. D 2. C 3. B 4. A 5. C 二、单项选择题. 1. B 2. A 3. B 4. A 5. C 6.A 7. B 8. B 9. A 10. C 11.C 12. D 13. A 14. C 15. B 三、情景对话填空 to do; to volunteer; clean; to help; are working; to wear; to do; better 四、单词正确形式填空 1. to help 2. share 3. volunteering 4. was sweeping 5. to be 6.to laugh 7. to raise 8. watering 9. wasting 10. to give 11.talking 12. keep 13. was cooking 14. to learn 15. repairing 16.play 17. to do 18. tidying 19. to finish 20. warmer 五、语法改错题. A. 单句改错 1.for → of 2.去掉 to 3.clean → cleaning 4.helping → help 5.read → was reading 6.helped → help 7.去掉 to 8.Help → Helping 9.waste → to waste 10.cook → cooking B. 语段改错 1.help → to help 2.去掉 to 3.clean → cleaning 4.for → of 5.make → makes 六、完形填空 1.B 2. B 3. A 4. B 5. C 6.B 7. A 8. B 9. B 10. C 七、句型转换. 1.Helping others 2.shouldn’t help 3.While; was reading; was cooking 4.of you to help 5.Don’t waste 6.What did; to do 7.Is it 8.shouldn’t; anything 9.took; to tidy 10.It’s; to help 八、语法运用补全短文. to help; share; are volunteering; wasting; will become 九、连词成句. 1.We should help others. 2.It’s important for us to volunteer. 3.While I was cleaning my room, mother came in. 4.We should not waste food or water. 5.Helping us makes the world better. 学科网（北京）股份有限公司 $