《九年级英语第三单元知识点完整版》由会员分享，可在线阅读，更多相关《九年级英语第三单元知识点完整版（8页珍藏版）》请在金锄头文库上搜索。
1、Unit3 Teenagers should be allowed to choose their own clothes.熟记以下短语：1. be allowed to do sth 被允许干 allow sb to do sth 允许某人干 allow doing sth 允许干2. sixteen-year-olds = sixteen-year-old boys and girls 16岁的孩子3. part-time jobs 兼职工作 4. a drivers license 驾照5. on weekends 在周末 6. at that age 在那个年龄段7. on schoo
2、l nights 在上学期间的每个晚上 8. stay up 熬夜9. clean up (相当与及物动词) 清扫 10. fail (in) a test 考试不及格11. take the test 参加考试 12. the other day 前几天13. all my classmates 我所有的同学 14. concentrate on 全神贯注于15. be good for 对有益 16. in groups 成群的,按组的17. get noisy 吵闹(系表结构) 18. learn from 向某人学习19. at present 目前,现在 20. have an op
3、portunity to do sth 有做的机会 21.English-English dictionary 英英词典22. at least 至少 23.eight hours sleep a night 每晚8小时的睡眠24. an old peoples home 敬老院 25. take time to do sth 花费时间干26. primary schools 小学 27. haveoff 放假,休息28. reply to 回答,答复 29. get in the way of 妨碍30. a professional athlete 职业运动员 31. achieve on
4、es dreams 实现梦想32. think about 思考,考虑 33. in the end 最后,终于34. be serious about 对热忠/极感兴趣35. spendon + n. spend (in) + v-ing 在上花费时间/金钱36. care about 关心,担心,在乎 37. agree with 同意1.语态：英语有两种语态：主动语态和补动语态主动语态表示是动作的执行者被动语态表示主语是动作的承受者 Cats eat fish. （主动语态）猫吃鱼。 Fish is eaten by cats. (被动语态) 鱼被猫吃。 被动语态的构成由“助动词be 及
5、物动词的过去分词”构成助动词be 有人称、数和时态的变化，其变化规则与be 作为连系动词时完全一样。时态被动语态结构例句一般现在 时amare +过去分词is English is spoken in many countries.一般过去 时was +过去分词were + 过去分词This bridge was built in 1989.情 态动 词can/shouldmay +be+过去分词must/The work must be done right now. 被动语态的用法当我们不知道谁是动作的执行者，或者没有必要指出谁是动作的执行者，或者只需强调动作的承受者时，要用被动语态。固定
6、搭配、词语辨析：2. Teenagers should be allowed to choose their own clothes.allow sb. to do sth. 允许某人做某事（主动语态）如： Mother allows me to watch TV every night. 妈妈允许我每晚看电视。be allowed to do sth. 被允许做某事（被动语态）如：Lily is allowed to go to Qinzhou. 莉莉被允许去钦州。3. Sixteen-year-olds should be allowed to get their ears pierced
7、.get their ears pierced 穿耳洞Sixteen-year-olds=sixteen-year-old teenagers让/使（别人）做某事 get sth. done (过去分词) have sth. done (过去分词) 如：I get my car mended. = I have my car mended. 我让别人修好我的车Practice1. Do you often allow _ until 11:00 pm?A to stay up B stay up C staying up D and stay up2. Do you think we shou
8、ld be allowed _our own decisions?A to make B making C make D to making3. It _ to drive after drinking wine.A is allowed B is not allowed C is made D is welcomed写出下列句子同义句1 Sixteen-year-old teenagers can work at places like Target and Walmart._ can work at places like Target and Walmart.2 Why not have
9、 your hair cut?Why not _ your hair _?4. They arent serious enough.enough 足够形容词enough 如：beautiful enough足够漂亮 enough名词如：enough food 足够食物 enough to 足够去做如：I have enough money to go to Beijing. 我有足够的钱去北京。 She is old enough to go to school. 她够大去读书了。5 He should stop wearing that silly earring. stop doing s
10、th. 停止做某事Please stop speaking.请停止说话。stop to do sth. 停止下来去做其他事Please stop to speak. 请停下来去说话。Practice:用含enough的短语完成句子1. I have _ _ _ (足够的位置提供给)everyong.2. The boy isnt _ _ _ (年龄不够) go to school。3. Three pears are _ _ (够多) us to last half an hour.用括号内所给词的适当形式填空。1. Its time for lunch. Lets stop _ (have)
11、 a rest.2. As soon as the teacher came in, the students stopped _ (talk).3. Stop _ laugh and listen to me.4. Nothing can _ (stop) the wheel of the history from _(go) forward.8. 倒装句:-We have a lot of rules at my house. -So do we.由so助动词(be/do/will/have)/情态动词主语意为：也是一样She is a student. So am I.她是一个学生，我也
12、是。 She went to school just now. So did I . 她刚才去学校了，我也是 She has finished the work. So have I . 她已经完成了工作,我也完成了。 She will go to school. So will he.她将去学校，他也是。10. Find someone who is allowed to stay up until 11:00pm Stay up 不睡觉，熬夜 Until 用于肯定句中，谓语动词要用延续性动词，表示这个动作一致延续到until发生的时间为止 Until 用在否定句中，谓语动词要用短暂性动词，
13、表示这一动作从until所表示的时间开始。 Till 和until 可以互换Practice 1. If he goes to the party,_A so she will B so will she C so does she D so she does2. I have never been to America._ my sister.A Neither has B Neither does C Has neither D Neither was3. -David has made great progress recently.-_ and_.A so he has, so you have B So he has, so do you C So he has, so have you D So has he , so you have翻译句子1. 我以前熬夜在电视上看体育节目I _ _ _ _ _ sports games on TV.2 . 我要在这里等她来为止。 Ill waiting here _ _ _.3 他们谈话一直到深夜一点。 They _ _ _ they _ _ the work.4. 我们老师不允许我们熬夜太晚。Our teacher _ _
