Unit2语法讲解与习题：so… that _ such… that、need to _ need、宾语从句 2025-2026学年北师大版八年级英语下册

北师大版英语八下Unit2语法讲解与习题 so… that / such… that、need to / need、宾语从句 一、so… that / such… that 结构 （一）定义与功能 1. 定义 用于引导结果状语从句，表示“如此……以至于……”，说明前面的情况导致了后面的结果。 2. 结构区别 （1）so… that… so 后面接形容词或副词 结构：so + adj./adv. + that + 从句 例句：Zhang Guimei cared so much about these girls that she went on many dangerous walks to visit their homes.（张桂梅如此关心这些女孩，以至于她多次冒着危险步行去家访。） 例句：Zhang Guimei works so hard and has so little rest that she suffers from poor health.（张桂梅工作如此努力、休息如此之少，以至于她的健康状况不佳。） （2）such… that… such 后面接名词短语（名词前可加形容词） 结构：such + (a/an) + adj. + n. + that + 从句 例句：She is such a wonderful teacher that students love all her classes.（她是一位如此出色的老师，以至于学生们都喜欢她上的所有课。） 二、need to / need 的用法 （一）定义与功能 1. 作为实义动词 结构：need to do sth.（需要做某事），有人称和时态变化 否定：don't/doesn't need to do sth. 例句：I need to help my mom with housework after school.（我放学后需要帮妈妈做家务。） 例句：You don't need to worry about me.（你不必担心我。） 2. 作为情态动词 结构：need do sth.（需要做某事），无人称和时态变化，多用于否定句和疑问句 否定：needn't do sth.（不必做某事） 例句：You needn't finish the work today.（你不必今天完成这项工作。） 例句：Need I go there now?（我需要现在去那里吗？） 三、宾语从句（Object clauses） （一）定义与功能 1. 定义 在句子中充当宾语的从句，用来作及物动词、介词或某些形容词的宾语。 2. 引导词 that：引导陈述句，在口语和非正式文体中常可省略 what/who/where/when/how等：引导特殊疑问句 if/whether：引导一般疑问句 3. 语序 宾语从句必须使用陈述语序（主语 + 谓语）。 4. 时态呼应 主句为现在时，从句时态根据实际情况而定 主句为过去时，从句通常使用相应的过去时态（客观真理除外） 5. 例句 She found that 98.4% of people knew about sorting rubbish.（她发现98.4%的人了解垃圾分类。） They even start to do what they can to help make more people know the right ways to sort rubbish.（他们甚至开始尽己所能，帮助更多人了解正确的垃圾分类方法。） Both Deng Xiaohong's and Liu Shuyan's stories show that everyone can make a difference.（邓晓红和刘淑燕的故事都表明，每个人都可以有所作为。） 四、练习题 so… that / such… that A. 用 so 或 such 填空 1. She is _____________ kind that everyone likes her. 2. It was _____________ a hot day that we decided to go swimming. 3. He ran _____________ fast that I couldn't catch up with him. 4. This is _____________ an interesting book that I can't put it down. 5. The movie was _____________ boring that I fell asleep in the cinema. B. 句型转换 6. He is very young. He can't go to school. (合并为一句) He is _____________ young _____________ he can't go to school. 7. The box is very heavy. I can't carry it. (合并为一句) The box is _____________ heavy _____________ I can't carry it. 8. She is a very good teacher. All the students love her. (合并为一句) She is _____________ a good teacher _____________ all the students love her. 9. The weather is very bad. We can't go out. (合并为一句) The weather is _____________ bad _____________ we can't go out. 10. He has a lot of money. He can buy a big house. (合并为一句) He has _____________ much money _____________ he can buy a big house. need to / need A. 用所给词的适当形式填空 11. I need _____________ (finish) my homework before dinner. 12. You don't need _____________ (worry) about him; he is old enough. 13. Need I _____________ (call) you back later? 14. She needs _____________ (help) her sister with her English. 15. We needn't _____________ (go) to school on weekends. B. 句型转换（5题） 16. I need to clean my room. (改为否定句) I _____________ _____________ to clean my room. 17. You need to see a doctor. (改为一般疑问句) _____________ I _____________ to see a doctor? 18. Need I finish the work today? (作否定回答) No, you _____________. 19. She needs to help her mom with housework. (对画线部分提问) _____________ _____________ she need to do? 20. We needn't go there. (改为同义句) We don't _____________ _____________ go there. 宾语从句 A. 用适当的引导词填空 21. I think _____________ you should help others when they are in trouble. 22. Could you tell me _____________ you are going to do this weekend? 23. I don't know _____________ he will come to the party or not. 24. She asked me _____________ I could help her with her homework. 25. He said _____________ he had finished his work. B. 单项选择 26. I want to know _____________. A. where does he live B. where he lives C. where did he live D. where he lived 27. Could you tell me _____________ the nearest hospital is? A. what B. how C. where D. when 28. I don't know _____________ he will come or not. A. if B. whether C. that D. what 29. She said _____________ she would go to Beijing the next day. A. that B. what C. if D. where 30. He asked me _____________ I had finished my homework. A. if B. that C. what D. when C. 句型转换（5题） 31. "I will help you with your English," he said to me. (改为宾语从句) He told me that he _____________ help me with my English. 32. "Do you like playing football?" he asked me. (改为宾语从句) He asked me _____________ I liked playing football. 33. "Where are you going?" she asked me. (改为宾语从句) She asked me where _____________ going. 34. "What are you doing?" the teacher asked the students. (改为宾语从句) The teacher asked the students what _____________ doing. 35. "Don't be late for school again," the teacher said to Tom. (改为宾语从句) The teacher told Tom _____________ to be late for school again. 五、答案与解析 so… that / such… that A. 用 so 或 such 填空 1. so 2. such 3. so 4. such 5. so B. 句型转换 6. so; that 7. so; that 8. such; that 9. so; that 10. so; that need to / need A. 用所给词的适当形式填空 11. to finish 12. to worry 13. call 14. to help 15. go B. 句型转换 16. don't need 17. Do; need 18. needn't 19. What does 20. need to 宾语从句 A. 用适当的引导词填空 21. that 22. what 23. whether 24. if/whether 25. that B. 单项选择 26. B 解析：宾语从句用陈述语序，主句为现在时，从句用一般现在时。 27. C 解析：询问地点用 where。 28. B 解析：whether…or not 是固定搭配。 29. A 解析：that 引导陈述句作宾语。 30. A 解析：if 引导一般疑问句作宾语。 C. 句型转换 31. would 解析：主句为过去时，从句时态相应变为过去将来时。 32. if/whether 解析：一般疑问句作宾语用 if/whether 引导。 33. I was 解析：宾语从句用陈述语序，时态变为一般过去时。 34. they were 解析：宾语从句用陈述语序，时态变为过去进行时。 35. not 解析：直接引语为祈使句，变为间接引语时用不定式结构。 ( 1 ) 学科网（北京）股份有限公司 $