人教版九年级英语uni3讲解课件.ppt

1、Unit 3 讲解人：王毓,一、重点单词 allow 允许，同意 experience 经历，体验 reply 回答，答复 importance 重要，重要性 succeed 成功，达到，完成 二、重点词汇 stay up 不睡觉，熬夜 at present 目前，现在 in the way 挡道的，防碍人的 be serious about 对认真,get + 宾语 + 过去分词（作宾语补足语）结构，表示“请人/让人做”，其中的过去分词所表示的动作往往是别人做的。在此结构中，get 可以换成 have。 get got (过去式) got(过去分词) 例：His son had to get

2、 / have his room cleaned. have to = should 必须，不得不 get sb to do sth 让某人去做某事 例：The teacher got me to bring some eggs. get sb / sth + adj. 让某人 / 某事处于某种状态 例：The girl got her room clean.,例题1：Mrs King wants to have her hair_. A. cut B. cutting C. to cut D. cuts 例题2：Kate is English. She is _ eleven-year-ol

3、d girl. A. a B. an C. the D. / 2. sixteen-year-old 十六岁大的 sixteen-year-olds 十六岁的青少年 例：Sixteen-year-olds are young and energetic. This is an eight-year-old boy. 3. allow v. 允许，准许 allow sb to do sth 允许某人做某事 例：His parents dont allow him to go out at night. be allowed to do sth 被允许做某事,例：Students should b

4、e allowed to do their homework with their friends. allow doing sth 允许做某事 例：We dont allow eating in the classroom. 例题1：The girls mother doesnt allow her _ earrings. A. to wear B. wearing C. wear D. wears 例题2：The students in the university _ to have part-time jobs. A. should be allowed B. should allow

5、 C. should be allowing D. be allowed,4. -They have a lot of rulers at their house - So do we . 本句使用了“ so + be动词 / 助动词 / 情态动词 + 另一主语 ” 结构，表示“ 前者，后者也”。 例：- He is a student. - So am I . “ so + 主语 + be动词 / 助动词 / 情态动词” 结构，表示“ 的确如此”，前后主语是指同一个人。 例： - Xiao Ming works very hard at English. - So he does . You

6、 asked me to leave, and so I did.,“ neither / nor + be动词 / 助动词 / 情态动词 + 另一主语 ” 结构，表示“ 前者不，后者也不”。 例：Lucy hasnt been to America , neither have I. 例题1： He doesnt like having a twin sister, neither _. A. do I B. I do C. am I D. I am 例题2：-Youve left the light on。 - Oh,_. Ill go and turn it off. A. so hav

7、e I B. so I have C. so will I D. so I will 5. stay up 不睡觉，熬夜（动副词组） 例：Its bad to stay up .,固定词组： get up 起来 stand up 起立，站起来 wake up 醒来 put up 举起来 例：Every morning, he gets up early to exercise. We should stand up when teachers come into the classroom. When he woke up, everyone was out. If you know the

8、answer to the question, please put up your hand. 例题1：-Mike! Dont _ too late. You need enough sleep. - Ok! Ill go to bed as soon as I finish my homework. A. put up B. stay up C. stand up D. get up,例题2：During the World Cup , some people _ all night to watch the games. A. wake up B. get up C. stay up D

9、. make up 6. 被动语态 英语中有两种语态,即：主动语态和被动语态 概念:主动语态表示主语是动作的执行者，被动语态则表示主语是动作的承受着。 例：These books are written for children. take photos 照相 例：The photo was taken in 2009. 出于修饰的需要 例：He went to the country and was warmly welcomed.,被动语态的变法： 1.把主动语态中的宾语变为被动语态中的主语。 2.把主动语态中的谓语动词变为相应时态的被动语态中的谓语。 3.主动语态中的主语变为介词by的宾

10、语，放在谓语动词后面（如果不强调动作的执行者，by短语常可省略）。 We can speak English . 主动语态 主语 谓语 宾语 English can be spoken by us . 被动语态 主语 谓语 by引导的介词短语(可省),本单元涉及的被动语态： 1. 一般现在时态的被动语态： 系动词 am /is /are + 及物动词的过去分词 例：Stamps are used for sending letters. 邮票是用来寄信的。 2. 一般过去时态的被动语态： 系动词 was /were + 及物动词的过去分词 例：The telephone was invente

11、d more than 100 years ago. 电话是在100多年前被发明的。 He was seen fishing by the lake at this time yesterday. 昨天的这个时候他被看见正在湖边钓鱼。,3. 含有情态动词的被动语态： 情态动词（should）+ be +及物动词的过去分词 例：Homework should be done on time. 家庭作业应该及时被完成。 其否定形式在情态动词后加 not 例： Homework shouldnt be done on time. 一般疑问句直接将情态动词提到句首 例：Should homework

12、be done on time? 例题1：The kind of bicycle_ in Tianjin. A. is made B. are made C. made D. makes,例题2：The new bridge _ in 2001. A. is build B. build C. was build D. were build 例题3：Attention, please! All the mobile phones should _ before the meeting starts. A. turn off B. be turned off C. be turning off

13、D. turned off 例题4: Food and drink should _ to be brought into the reading room. A. not to allow B. allow C. not be allowed D. not allow,例题5：按要求完成下列各句，每空一词(含缩写) We should plant trees every spring.(改为被动语态) Trees _ _ _ every spring. Teenagers should be allowed to drink.(改为一般疑问句) _ teenagers _ _ to drin

14、k? A big house should be bought for him.(改为否定句) A big house _ _ _ for him.,7. both and 和； 即又 连接两个主语时谓语动词用复数。 例：Both he and his sister like sports. 延伸： neithernor 既不也不 是bothand的反义短语 引导并列成分作主语时，谓语动词采用就近原则。 例：Neither he nor I know how to spell the word. eitheror 或者或者；要么要么 引导并列成分作主语时，谓语动词采用就近原则。 例：Eithe

15、r you or she has the chance to go there.,not onlybut also不仅而且 引导并列成分作主语时，谓语动词采用就近原则。 例：Not only I but also he likes the car. 例题1：_ Mike _ his sister are interested in Chinese. A. Either ; or B. Either ; nor C. Both ; and D. Neither ; nor 例题2：_ you _ he is able to ski , but I am. A. Both ; and B. Eit

16、her ; or C. Neither ; nor D. Not only ; but also,8、at present 目前，现在 = at the moment = now 位于句首、句中、句尾皆可。 例：At present, Im still a student. Shes busy at present and cant speak to you now. What is he doing in his house at present? 例：_ , he is on holiday. A. At the present B. At moment C. At present D.

17、At a present 9、experience v.经历；经验 例：Did you experience the life in the countryside? experience n.经历（可数名词）经验(不可数名词),例：I had an unusuall experience last week. He is a man of much experience. 例题：Can you introduce a teacher with many years _ to me? A. experience B. experiences C. experienced D. experien

18、cing 10、have off 请假，休假 have 和off 中间加上时间就表示请多长时间的假，其中 have可用take替换。 例：We usually have seven days off during the National Day.,例题：The May Day is coming, well take 3 days _. A. on B. off C. up D. down 11、reply v.回答；答复 例：He said he didnt know what to reply. 区别：reply和 answer answer 及物动词直接 + 宾语 reply 不及物动

19、词 + to + 宾语 例：Who can answer the question? Who can reply to my question? 例题1：Dont forget _ to my question. A. to answer B. to reply C. replying D. answering,例题2：用reply 和answer 填空 I called up him last night, but there was no _. 12、交际用语 I think so. 我这样认为 I dont think so. 我不这样认为 I agree. 我同意 I disagree

20、/dont agree. 我不同意 例题1：= this night - Do you think I can go to the party tonight? - _. You have too much homework. A. I agree B. I think so C. I disagree D. OK,例题2：-I dont think teenagers should be allowed to get their ears pierced. - _. They are too young. A. I dont think so B. I disagree C. I agree

21、 D. I dont agree 13、get in the way of 妨碍 例: Computer games can get in the way of doing students homework. 区别： by the way 顺便问一下，顺便说一下 例：By the way , where do you live?,on ones way to 在某人去的路上 例：On his way to school, he saw a boy lying on the ground. 例题1：Sometimes our hobbies can _ our work. A. get in

22、the way of B. get by the way C. get out of D. get on 例题2：_ , do you know who the boy is? A. In the way B. On the way C. At the way D. By the way,14、important adj. 重要的 importance n. 重要；重要性 例： You should know the importance of the health. Have you received the important e-mail? It is important for him

23、 to attend every day . 例题：When you know the _ of planting trees, youll think its very _ to plant trees. A. importance ; importance B. important ; important C. importance ; important D. important ; importance,15、be serious about 对认真；对感兴趣 例：You should be serious about the problem. Im not serious about math at all. 例题：Is he serious _ the car? A. at