Unit3 知识点 2022-2023学年人教版八年级英语下册

Unit3 Could you please clean your room? 1. do chores 做家务 2. do the dishes 洗餐具 3. take out the rubbish 倒垃圾 4. fold the clothes 叠衣服 5. sweep the floor 扫地 6. make your bed 铺床 7. clean the living room 打扫起居室 8. get a ride搭便车 9. work on...着手于、从事... 10. help out with...帮忙分担工作 Could you please help out with a few things.你能帮忙做些事吗？ 11. at least 至少 12. finish doing完成做某事 13. Two hours of TV is OK. 时间作主语，被看作一个整体，谓语动词用单数。 14. any minute now马上、随时、在任何时候 15. mess n.杂乱、不整洁 be in a mess一团糟 make a mess搞得一团糟 16. throw down扔下、丢掉 throw--threw 17. the minute=as soon as 一...就... 18. come over过来、拜访 19. take the dog for a walk 遛狗 20. all the time 一直、反复、频繁 21. as tired as 和...一样累 as+原级+as 22. in surprise 惊讶的 be surprised to do对做什么感到惊讶 be surprised at对...感到惊讶 to one’s surprise使某人吃惊的是 23. ①neither+be/助/情态动词+主语 “...也不...”，表示前者否定的情况后者也是 He isn’t a doctor,neither am I.他不是一个医生，我也不是。 I don’t like English,neither does he.我不喜欢英语，他也不喜欢。 She can’t play the piano,neither can Mary.她不会弹钢琴，玛丽也不会。 ②so+be/助/情态动词+主语 “...也...”，表示前者肯定的情况后者也是 He is a doctor,so am I.他是一个医生，我也是。 I like English,so does he.我喜欢英语，他也喜欢。 She can play the piano,so can Mary.她会弹钢琴，玛丽也会。 ③neither of...两者都不... ④neither...nor...既不...也不...，就近原则 Neither he nor I am a doctor.他和我都不是医生。 Neither I nor he is a doctor. 24. hang out with sb.和某人出去闲逛 hang-hung-hung 25. borrow sth.from sb.向某人借来某物 lend sb. sth.=lend sth. to sb.借出某物给某人 26. hate to do讨厌做某事 SectionB 1. invite sb. to+地点 邀请某人去某地 invite sb. to do 邀请某人做某事 2. make sb do sth.让某人做某事 3. a waste of time浪费时间 4. ① 人+spend+时间/金钱+ （in）doing sth. on sth. ②It takes sb.+时间+to do sth. ③人+pay(s)+金钱+for sth ④物+cost(s)+(sb)+金钱 5. in order to+do...“为了...” 否定：in order not to do... in order to...可以转变为由in order that或so that引导的状语从句。 She spoke loudly in order to let us hear her.为了让我们听见她，她说话很大声。 =She spoke loudly in order that we could hear her. =She spoke loudly so that we could hear her. 6. There is no need for sb.to do sth 对某人来说做某事是没必要的。 7. It’s+名词+to d