1. used to 过去常常2. be afraid of 害怕3. from time to time 时常，有时4. turn red 变红5. take….up 开始做6. deal with 对付、应付7. not….anymore 不再8. tons of attention 很多关注9. worry about 为…..担忧10. be careful 当心11. hang out 闲逛12. give up 放弃13. think about 考虑14. a very small number of…. 极少数的……15. be alone 独处16. give a speech 做演讲17. in public 当众18. all the time 一直，总是19. on the soccer team 在足球队20. be proud of 为……骄傲21. no longer 不再22. be interested in 对…….感兴趣23. make a decision 做决定24. in person 亲自25. to one’s surprise 令某人吃惊的是26. change one’s life 改变某人的生活27. even though 尽管28. take care of 照顾29. think of 关心、想着30. take pride of 为……感到自豪31. pay attention to 对…..注意，留心32. one of…… …….之一33. in the last few years 在过去的几年里固定词组：1. used to do sth. 过去常常做某事2. be afraid of doing sth. 害怕做某事3. give up doing sth. 放弃做某事4. have to do sth. 必须做某事5. make sb. do sth. 让某人做某事6. try to do sth. 尽力做某事7. adj. + enough to do sth. 足够……而能做某事8. be prepared to do sth. 准备做某事9. see sb. doing sth. 看见某人在做某事10. take up doing sth. 开始做某事11. begin to do sth. 开始做某事12. require sb. to do sth. 要求某人做某事13. decide to do sth. 决定做某某14. make a decision to do sth. 决定做某事15. It’s hard to believe that…… 很难相信……….16. It has been + 一段时间+ since + 从句自从……以来已经有很长的时间了17. dare to do sth. 敢于做某事18. It’s + adj. + for sb. + to do sth. 对某人来说做某事是……的Unit 4 I used to be afraid of the darkSection A1. Mario, you used to be short, didn't you? 马里奥，你以前个子矮，是吗？(1)used to do 的反意疑问句。
used to do 的反意疑问句的附加疑问句部分要使用didn't。
He used to play the piano, didn't he? 他过去常常弹钢琴，是吗？(2)used to“以前经常；过去常常”。
used to do sth to 为不定式，后跟动词原形，used to do sth. 过去经常做某事be used to doing to 为介词，后跟动名词，be used to doing sth. 习惯做某事be used to do sth. 被用于做某事，是被动语态不定式表示目的时，用于多种时态。
(3)used to 的否定结构是didn’t use to. 疑问结构是did use to2.humorous adj. 有幽默感的；滑稽有趣的由humor＋ous(形容词后缀)构成的派生词n. humor幽默；滑稽dangerous famous serious delicious3. silent adj. 不说话的；沉默的keep silent 保持沉默silently adv.沉默地；silence n. 沉默in silence confident different patient important4. helpful adj. 有用的；有帮助的由help＋ful(形容词后缀)构成的派生词以ful为后缀的形容词careful adj. 小心useful adj. 有用的beautiful adj. 美丽的peaceful adj. 平静的；和平的thankful adj. 感谢的wonderful adj. 精彩的forgetful adj 健忘的successful adj 成功的5.She was never brave enough to ask questions. 她不够勇敢，不敢问问题。
brave enough 足够勇敢，enough修饰形容词或副词时，要位于所修饰的形容词或副词的后面。
enough还可修饰名词，位于名词之前之后都可以adj./adv+enough to do sth 足够......可以做某事(1) so...that肯定句...= enough...to He is so clever that he can work out that problem.(2)so...that否定句...= not...enough...to=too...to He is so old that he can’t go to work.6.from time to time时常；有时和sometimes, at times是同义表达what time 几点for the first time 第一次all the time 一直，总是at times 不时，有时in time 及时on time 按时，准时at the same time 同时at any time 随时have a good/great/wonderful time 玩得开心in no time 立即，马上7. It’s been +一段时间+ since +从句= It’s +一段时间+ since +从句，自从…..以来已经有多长时间了(1)since连词，自从；从……以来, since引导时间状语从句从句时态是一般过去时，主句是现在完成时(2)since介词，自从；从……以来since last Sunday.8. I used to see him reading in the library every day. 我以前天天看到他在图书馆看书。
see sb. doing sth. 看到某人正在做某事, doing sth.是宾语补足语。
see sb. doing sth.表示“看到某人正在做某事”，强调动作正在进行see sb. do sth.表示“看到某人做某事”，强调动作经常发生或看到动作发生的全过程。
9.this month's Young World magazine 这个月的《青年世界》杂志interview v. 采访；面试n. 面试；访谈派生词：interviewer n. 面试者；采访者interviewee n. 被访问者；被采访者10.take up doing sth 开始做某事take up开始从事; 占用take care当心take care of照顾take part in参加take off起飞，逃脱take away拿走，带走take out掏出take turns轮流take down记下，写下take place 发生take a walk 散步11. deal with对付；应付deal with和do with都表示“对付；应对”，deal with和how搭配，do with和what搭配I don’t know how to deal with this problem.12.too much 太多修饰不可数名词too many 太多修饰可数名词much too 太修饰形容词或副词13. give up放弃give up doing sth. 放弃做某事give in 屈服，让步；give up放弃give sb. a hand帮某人忙give away捐献，捐出give out 分发，散发give sb. sth. = give sth. to sb. 给某人某物14.a number of许多；大量修饰可数名词number前可以用large, small等形容词修饰a number of…作主语谓语动词用复数形式the number of……的数量修饰可数名词the number of…作主语谓语动词用单数形式15.be prepared to do sth准备好做....... be prepared for sth 为....做好准备require sb to do sth 要求某人做某事Section B1.It’s hard to believe + that 从句很难相信……, it 是形式主语，that 从句是真正的主语。
2.influence v. & n．影响have (an) influence on 对……有影响3.give sb. problem 给某人惹麻烦= cause problem / trouble for sb.4.absent adj 缺席的，不在的absence n. 缺席，不在be absent from 缺席反义词：present adj. 出席的；到场的5. fail v．不及格；失败；未能(做到) fail to do sth.未能做某事fain(in)the test n.failure反义词：succeed v. 成功pass v. 及格；考试通过6.be proud of为……骄傲；感到自豪proud adj 骄傲的；自豪的”；be proud of＝take pride in7. make a decision作出决定decision n. 决定；决心decide v. 决定；decide to do sth. 决定做某事8.advise sb. to do sth. 建议某人做某事advise v. 建议提议n.advice.advise sb.(not) to sth. 建议某人(不要)做某事advising doing sth9. in person亲自；亲身=for oneself10. surprise n. 惊讶surprise v.惊讶to one’s sur prise 令某人惊讶的是in surprise 惊讶地surprising adj.令人惊讶的surprised adj. 感到惊讶的11. take care of照顾= look after= care fortake good care of好好照= look after…well12. so many rules如此多的规定如果名词前有many修饰，要用so，而不用suchso与suchso和such都可表示程度，如此，这样(1)such adj修饰名词，soadv修饰形容词或副词(2)当名词被many, much, little, few修饰时，其前只能用so，不能用such。