八年级上Unit3~4预习提纲.doc

Unit 3  What were you doing when the UFO arrived?一 . [话题](Topic) Interesting events 二 .[重点词组](Key Phrases) 1. barber shop 2. get out (of the shower) 3. take care of4. train station 5. run away 6. come in7. Beijing International Airport 8. hear about 9. take place10. World Trade Center 11. as…as 12. in front of the library13. sleep late 14. cut hair 15. follow sb to do sth.16.be surprised (to do sb.) 17. jump down 18. direct speech19. reported speech 20. first of all 21. pass on22. be supposed to 23. do better in 24. be in good health25. report card 26. get over 27. Peking University28. the Ministry of Education 29. Chinese Young Pioneer 30. sea level31. open up 32. care for三 .[交际用语]1. What were you doing when...? 2. I was doing sth. when...　 3. How about... / What about...? 4. What happened next?5. While sth./sb. was doing sth., I did...四. [重点难点释义](Language Points)1、过去进行时 含义： 表示过去某个时刻正在进行的动作。

结构：be（was/ were）+doing 如：（1）What were you doing at nine last night? 昨晚9点你在干什么？（2）I was doing my homework when he knocked at the door. 他敲门的时候，我在做作业 （3）Was he cleaning the room at this time yesterday? 昨天这个时间他是在打扫房间吗？ 2、过去进行时与一般过去时的区别；过去进行时：表示正在进行的动作 I was reading a novel last night.昨晚我在看小说可能还没有看完一般过去时：表示一个完成的动作I read a novel last night .昨晚我看了一本小说已经看完了） 3、When 当……时候（后面跟的动作不延续） When I came home my wife was cooking dinner. 我回家时，妻子在做晚饭。

The boy was walking down the street when the UFO landed. 当飞碟着陆的时候，那个男孩正走在街上4、While 当 ……时候（后面跟的动作延续）while he was eating ,I asked him to lend me ＄2. 当他正在吃饭时，我请他借给我二美元 While the boy was walking down the street, the UFO landed.当那个男孩走在街上的时候，飞碟着陆了5、get out of 从……出去 She tried to get out of helping her mother. 她尽量逃避帮助她妈妈6、run away 跑开，迅速离开；逃走The thief ran away when someone noticed him.当有人注意到他的时候，那个贼立刻逃走了7、（1）in front of…意思是“在……前面”，指甲物在乙物之前，两者互不包含；其反义词是behind（在……的后面）如： He walked in front of me.他走在我的前面。

There are some flowers in front of the house. 房子前面有些花卉2）i in the front of 意思是“在某一空间内的前部”，即甲物在乙物的范围之内；其反义词是at the back of…（在……范围内的后部）如：There is a big desk and a blackboard in the front of our classroom.我们的教室前边有一张大桌子和一块黑板 Our teacher stands in the front of the classroom. 我们的老师站在教室前（3）in front of与before before 通常指时间或排序上的“在……以前”，反义词是after如：He usually gets to school before me. 他通常到校比我早Your name comes before mine on the list.在名单上，你的名字排在我前面People don’t use Mr. before name.人们在名前不用Mr.【注】before和in front of都可表示“当着某人的面”，这时用before的多于in front of。

如：Many students usually don’t talk well before the teacher.许多学生通常当着老师的面表达不好8、sleep late表示“迟于规定时间还在睡”，即“睡懒觉”Late在这里是副词，表示“迟”，“迟于规定的时间”注】over sleep也表示“睡懒觉”9、（1）短语动词take off意为飞行器或者鸟等的“起飞”如： The plane is about to take off. 飞机就要起飞了Some ducks took off and flew along the river. 有些鸭子飞起来后顺着河飞2）take off 可转换成名词take-off如：The take-off was a little rough. 飞机的起飞有点不平稳3）take off也可引申为事业、经济等的“腾飞”“迅速发展”如：The Chinese nation is taking off fast. 中华民族正在迅速腾飞4）take off可作及物动词，表示“脱掉（衣服等）”如：He took off his cap and sat down. 他摘下帽子坐了下来。

Mom, I hate this tie. Can I take it off? 妈妈，我不喜欢这条领带，可以把它解下来吗？10、(1) around为副词，可表示“大约”用与修饰数量词如：He came back around 7 last night. 他昨晚大约7点回来的注】or so也可表示此意，但一般用于被修饰语之后如： He came back at 7 or so last night. (2) around 也可用于年代前，表示“前后”，相当于about如：The factory was started around 1985 by housewives 这家工厂是在1985年前后由一些家庭妇女办起来的3）around 也表示“在……周围”“围绕……”如：The moon moves around the earth. 月亮围绕太阳转There are beggars all around us. 我们周围到处是乞丐11、right在这里为副词，用来加强语气，表示“正好”“就”等如：She was standing right in the middle of the room.她站在房间的正中央。

注】副词just也常用于加强语气如：It’s just around the corner .就在拐角处 Just wait a moment , please .请稍候12、（1）表示情感、情绪反应的-ing形式的形容词一般表示“令人……”，通常以物作主语如：It’s amazing that she can eat so much.她的饭量大的惊人My work is interesting. 我的工作很有趣The novel is quite exciting.这本小说很激动人心2）表示情感情绪的-ed形式的形容词，一般表示“感到……”，通常以人作主语，表示人对外界事物的心理反应如：After the long trip we were all very tired. 那次长途旅行之后我们都累极了注】过去分词crowded 不表示人的情感反应，一般只修饰地点名词13、You’re kidding! 意为“你不是开玩笑吧”“真的？”，相当于No kidding?表示说话者惊讶或对对方陈述的事情的真实性的将信将疑如：You’re 39? You’re kidding! 你三十九岁了？不是开玩笑吧！14、（1）get out of…表示“从……出来”“走出……”。

如：I was so tired that it was difficult to get out of bed. 我很累，感到下不了床2）get out of 也可表示“摆脱”如：Without your help, I couldn’t get out of the trouble. 如果没你的帮助，我不可能摆脱困境15、anywhere 通常用于否定句和一般疑问句用于肯定句表强调“任何地方”“随便哪里”如：You can go anywhere you like. 你爱到哪儿就到哪儿五.语法知识  1. 过去进行时：表示在过去某一时间内正在进行的动作构成：was / were + 现在分词（其中was是am、is的过去式，were是are的过去式）  eg. 1) I was doing my homework then .         那时，我正在做作业    2) He was cooking in the kitchen at 12 o’clock yes。