Unit3重点知识讲解与训练人教版八年级英语下册.docx

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1、Unit3 could you please clean your room?本单元语法用could提出请求和征求许可L用could提出请求：常见的结构是“Could you(please)do sth?意为(请)你做某事，好吗？”,是一种比较客气、 有礼貌地提出请求的方式。如果同意对方的请求，可以用或“No problem.等来回答: 如果不同意对方的请求，可以用Sorry, I cant.等来回答，并以委婉的方式来解释原因。 Could you please open the door?请你把门打开，好吗？Sure .当然可以。Could you please sweep the floo

2、r?请你扫一下地，好吗？Could you take the dog for a walk?请你遛一下狗，好吗？Sorry, I cant. I have too much homework to do,很抱歉，我不能。我还有很多的家庭作业要 做。2.用could征求许可：常见的结构是“Could Id。sth?”，意为“我能/可以做某事吗？L它的肯定回答和否定回答都 不用could,习惯上肯定回答用may, can等,而否定回答用cant或mustnt（语气重）,有时也 可避而不用。一Could I smoke here?我可以在这里吸烟吗？一No, you cant, Look at th

3、e sign No Smoking!不，你不能。看那个“禁止吸烟”的牌子！配套练习1 .Mom, could I surf the Internet after finishing my homework?一. Youd better go out for a walk.A. Go ahead（开始做）B. Sorry, you cant C. Of course you can2 .Mom. Could I finish the football match?No, you have to do your homework first.A. watch B. to watch C. watc

4、hing D. to watching3 .一Helen, could you please water the flowers in my garden?_, They are so lovely.A. Thats too bad B. With pleasure C. Youre welcome D. Im afraid not课文重点知识讲解L掌握下列短语do the dishes 洗餐具sweep the floor 扫地take out the rubbish 倒垃圾make the bed 整理床铺fold the clothes 叠衣服clean the living room

5、打扫卧室用 Could uou please do sth?请你做某事，好吗？ 造句练习请你洗餐具，好吗? ? 请你倒一下垃圾，好吗? ? 请你整理一下床铺，好吗? ? 请你洗洗餐具，好吗? ? 请你把衣服叠一下，好吗? ? 请你打扫一下卧室，好吗？out for dinner出去吃饭我可以出去吃饭吗？ (could I.)go to the movies 去看电影今天晚上我可以和戴尔去看电影吗？ stay out late待在外面很晚妈妈不让我带在外面很晚。get a ride 搭车In order not to be late for school. You can get a ride

6、in your fathers car to school.为了上学不迟到，你可以搭你爸爸的车去学校。-Could I use your computer?-Sorrv. Im HoinH to work on it now. I will deci with(处理)many files(文件).A.use B.work C.fix uphelp out相关短语帮助某人摆脱困境help out with帮助某人做某事help out 帮忙你一直看电视并且在家从不帮忙。finish doing sth 做完某事我能看完这个电视节目吗？ any minute now 随时我随时都会回来。(be b

7、ack) mess 脏，舌L in a mess 一团糟如果妈妈看到家里一团糟，她会不高兴的。如果她明天有空，她会来参加你的派对。如果明天不下雨，我们就出去吃晚饭。(go out for dinner)the minute=as soon as 一就我刚在电视机面前坐下，我的妈妈就过来了。The minute I sat down in front of the TV, my mom came over. As soon as I sat down in front of the TV , my mom came over. 我一到上海，我就给你打电话。她一看到戴尔，他就告诉我。我一看到她，我

8、就给你打电话。neither +be动词/情态动词/助动词+主语 主语也不当前面叙述的否定的事实也适用于后者时，用此结构。For one week, she did not do any housework and neither did I.有一周他没有做任何家务，我也没做。I dont like apples and neither do they.我不喜欢苹果,他们也不喜欢。He didnt go to school yesterday and.（我也没去）They dont want to fail the exam and.（我也不想。）I dont want to sweep th

9、e floor and（她也不想。）I won/t go to Beijing tomorrow and （她也不去He is not a child and（他们也不是。）He cant play basketball and（我也不会。）in surprise惊奇地，副词。He looked at me in（surprising） for two minutes.When they heard the（surprise） news, they looked at each other in surprise.in front of在前面与in the front of在的前部Dale i

10、s a student. He sits the classroom.There are many trees the building.as . as表示“和一样”，之间要用形容词或副词的原级。e.g.: She is as tall as her elder brother.Look! This house is as as that one.A. the most beautiful B. more beautiful C. beautifulborrow 与 lendborrow借东西lend借给borrow sth from sb,从某人那里借东西lend sth to sb.=le

11、nd sb. sth把某东西借给某人hate to do sth讨厌做某事have time to do sth有时间做某事dont have time to do sth没有时间做某事孩子们忙于做家庭作业，没有时间做杂务。（be busy doing sth忙于做某事）a waste of time浪费时间Housework is a waste of their time.家务活浪费他们的时间。spend time on sth把时间花费在某物上你不应该把时间花费在电脑游戏上。Spend time (in)doing sth花费时间做某事你应该时间花费在阅读上。There is no ne

12、ed for sb. to do sth某人没有必要做某事你没有必要把时间花费在电脑游戏上。In order to do sth= so as to do sth 为 了做某事get good grades取得好成绩get into a good university进入一所好的大学为了取得好成绩进而进入一所好的大学，他努力学习英语。It is sbzs job to do sth做某事是某人的职责。把所有的学科学好是你的职责。mind doing sth介词做某事我不介意做家务。I think doing chores are difficult.(改为否定句)It is not enoug

13、h to do sth做某事是不足够的 在学校只是取得好成绩是不足够的。depend on sb.依靠某人现在的学生过于依赖自己的父母。as a result 结果 fall ill 生病 take care of 照顾the earlier kids learn to be independent, the better it is for their future.孩子们学会独立的越早，对他们的未来就越好。你学习越努力，你就越幸运。你站得越高，就看得就越远。你学习越努力，你感觉就越容易。do ones part in doing sth尽某人一份力量做某事每个人都应该尽自己所能去帮助别人。

14、pass sth to sb.= pass sb. sth 把某物递给某人 请你把盐递给我，好吗？SO+助动词/be动词/情态动词+主语当前面叙述的肯定事实也适用于后者时主语也一样I got up early this morning and so does he.我今天早上起得早，他也是。He is fifteen years old（我也样。）He likes helping others （我也一样。）I went to picnic yesterday（他们也一样。）He will be a teacher in the future （戴尔也一样。）They can swim（我也一

15、样。）provide sb. with sth.=provide sth. for sb.表示,给某人提供某物”。彳列题：Parents oftentheir children some good advice.A. offer; withB. offer;/C. provide; withD. both B and CWhen和as soon as引导的时间状语从句，主句如果用将来时态，从句就要用一般现在时态。She will fly to Haikou as soon as she the task.A. finish B. finishes C. finishedWhen he in Beijing tomorrow, he will give you a call.A. arrives B. will arrive C. arrivedI will return it to the library I finish reading Little Women.A. no longer B. as soon as C. so that