1、九年级英语 Unit21. used to do sth. 过去常常做某事否定形式： didnt use to do sth. / used not to do sth.如：He used to play football after school. 放学后他过去常常踢足球。Did he use to play football? Yes, I did. No, I didnt.He didnt use to smoke. 他过去不吸烟。2. 反意疑问句肯定陈述句否定提问 如：Lily is a student, isnt she?Lily will go to China, wont she
2、?否定陈述句肯定提问 如：She doesnt come from China, does she?You havent finished homework, have you?提问部分用代词而不用名词 Lily is a student, isnt she?陈述句中含有否定意义的词，如：little, few, never, nothing, hardly 等。其反意疑问句用肯定式。 如：He knows little English, does he? 他一点也不懂英语，不是吗？They hardly understood it, did they?他们几乎不明白，不是吗？3. play
3、the piano 弹钢琴4. be interested in sth. 对感兴趣be interested in doing sth. 对做感兴趣如：He is interested in math, but he isnt interested in speakingEnglish. 他对数学感兴趣，但是他对说英语不感兴趣。5. interested adj. 感兴趣的，指人对某事物感兴趣，往往主语是人interesting adj.有趣的，指某事物/某人具有趣味，主语往往是物6. still 仍然，还 用在 be 动词的后面 如：Im still a student.用在行为动词的前面
4、 如：I still love him.7. the dark 天黑，晚上，黑暗8. 害怕 be terrified of sth. 如：I am terrified of the dog.be terrified of doing sth. 如：I am terrified of speaking.9. on 副词，表示（电灯、电视、机械等）在运转中/打开，其反义词 off. with the light on 灯开着10. walk to somewhere 步行到某处 walk to school 步行到学校11. spend 动词，表示“花费金钱、时间”spendon sth. 在某事
5、上花费（金钱、时间）spenddoing sth. 花费（金钱、时间）去做某事 如：He spends too much time on clothes. 他花费太多的时间在衣着He spend 3 months building the bridge.他花费了三个月去建这座桥。Pay for 花费如：I pay 10 yuan for the book. 我花了 10 元买这本书。12. take 动词 有“花费”的意思 常用的结构有：take sb. to do sth. 如：It takes me a day to read the book.take to do sth. 13. ch
6、at with sb. 与某人闲聊 如：I like to chat with him. 我喜欢和他聊天。14. worry about sb./ sth. 担心某人 /某事 worry 是动词be worried about sb./sth. 担心某人 /某事 worried 是形容词 如：Dont worry about him. 不用担心他。Mother is worried about her son. 妈妈担心他的儿子。15. all the time 一直、始终16. take sb. to + 地方 送/带某人去某个地方 如：A person took him to the ho
7、spital. 一个人把他送到了医院。Lui took me home. 刘把我送回了家。 (home 的前面不能用 to)17. hardly adv. 几乎不、没有hardly ever 很少 hardly 修饰动词时，通常放在助动词、情态动词之后，实义动词之前 助动词/情态动词hardlyhardly + 实义动词 如：I can hardly understand them. 我几乎不能够明白他们。I hardly have time to do it. 我几乎没有时间去做了。18. miss v. 思念、想念、 错过19. in the last few years. 在过去的几年内
8、 常与完成时连用 如：I have lived in China in the last few years. 在过去的几年内我在中国住。20. be different from 与不同 21. how to swim 怎样游泳 不定式与疑问词连用：动词不定式可以和 what, which, how, where, when 等引导的疑问句连用，构成不定工短语。如：The question is when to start. 问题是什么时候开始。I dont know where to go. 我不知道去哪。22. make sb./ sth. + 形容词 make you happymak
9、e sb./ sth. + 动词原形 make him laugh23. move to +地方 搬到某地 如：I moved to Beijing last year.24. it seems that +从句 看起来好像 如：It seems that he has changed a lot. 看起来他好像变了许多。25. help sb. with sth. 帮某人某事 help sb. (to ) do sth. 帮某人做某事 She helped me with English. 她帮助我学英语。She helped me (to) study English。 她帮助我学习英语。
10、26. fifteen-year-old 作形容词 15 岁的 fifteen-year-olds 作名词指 15 岁的人fifteen years old 指年龄 15 岁 如：a fifteen-year-old boy 一个 15 岁的男孩Fifteen-year-olds like to sing. 15 岁的人喜欢唱歌。I am fifteen years old . 我是 15 岁。27.支付不起 cant /couldnt afford to do sth. cant / couldnt afford sth.如：I cant/couldnt afford to buy the
11、car.I cant/couldnt afford the car. 我买不起这个辆小车。28. as + 形容词./ 副词as sb. could/can 尽某人的能力 如：Zhou run as fast as her could/can. 她尽她最快的能力去跑。29. get into trouble with 遇到麻烦 30. in the end 最后31. make a decision 下决定 下决心 32. to ones surprise 令某人惊讶 如：to their surprise 令他们惊讶 to LiLeis surprise 令李雷惊讶33. take prid
12、e in sth. 以而自豪 如：His father always take pride in him. 他的爸爸总是以他而自豪34. pay attention to sth. 对注意，留心 如：You must pay attention to your friend . 你应该多注意你的朋友。35. be able to do sth. 能做某事 如：She is able to do it. 她能够做到。36. give up doing sth. 放弃做某事 如：My father has given up smoking. 我爸爸已经放弃吸烟了。37.不再 no more = no longer 如：I play tennis no more/ longer.我不再打网球。not any more = not any longer 如：I dont play tennis any more/longer. 我不再打网球。38. go to sleep 入睡
