新目标英语八年级下第3单元知识点讲解以及随堂练习(共4页)

1、精选优质文档-倾情为你奉上Unit 3 Could you please clean your room?话题：教学目标：重难点：情态动词could的用法重点句型：There is no need forto对于而言是没有必要的 It is not enough to 做是不够的 The+比较级，the+比较级 越越知识点：1. 情态动词could的用法could为can的过去式，表示“过去的能力” 它引导的一般疑问句的肯定回答和否定回答都是could.Could you play basketball when your were 5 years old?当你5岁时，你会打篮球吗？Yes,

2、I could. No, I couldnt.Could you?/Could you please? 麻烦你好吗？Li Lei, could you please help me?Could you come here soon?Could you please close the door?对于这种请求的肯定回答和否定回答的常用语肯定回答常用语：Certainly./ Of course./With pleasure./No problem.否定回答常用语：Certainly not. /No, Im afraid I cant.表示请求许可Could I ? 我可以吗？Could I c

3、ome in? 我可以进来吗？对方回答时不能用could，要用can.Could I use your bicycle?Yes, you can. 2. take out the rubbish 倒垃圾 动副词结构中，名词作宾语，可放在中间或后面，代词作宾语，只能放中间。rubbish 不可数名词rubbish体积小，破碎的，没有用的废物Could you please take out the rubbish?garbage厨房丢掉的剩余物garbage collectionwaste指任何被遗弃的东西或浪费的东西There is much too waste in this house.3

4、. fold v.折叠，对折 He folded the letter and threw it into the rubbish bin. 他将信件叠起来扔进了垃圾箱里。 unfold 展开，打开 folder 文件夹4. sweep the floor 扫地 floor 地板&楼层5. throw throw+间宾+直宾或throw+宾语+to+n./pron.throw away 扔掉，抛弃，浪费throw sth. at 向扔某物throw sth. to 扔给某物6. Neither adv. 也不 Neither+情态动词/助动词/be动词+主语，是常见的倒装句性，表示后者

5、也不。He cant swim. 他不会游泳。Neither can I. 我也不会。They dont like it.Neither do I.I am not tired.Neither am I.7. borrow 借，借用borrow vt. 借，借入，借用。borrowfrom 向借borrow 借入 borrow sth. from someplace borrow sth. form sb.lend 借出 lend sb. sth. lend sth. to sb. I lent it to Lucy yesterday.8. while conj.当的时候，与同时 while

6、作连词，意为“当的时候，”可引导时间状语从句，主要形式有：表示一般的情况，当的时候Could you look after her while were away?我们不在的时候，你能照顾她吗？表示将来的情况，主句要用将来时，而从句可用一般现在时或现在进行时，但不用将来时。Ill be kind to him while you are away. 当你不在的时候我会对他好的。表示过去的情况，谓语动词的形式有几种：a. 主句和从句都用一般过去时。She listened carefully while he read.b. 从句用过去进行时，主句用一般过去时。While I was watch

7、ing TV, Tom came in.c. 主句和从句都用过去进行时。 While I was reading, she was doing some cleaning.when当在时，引导的从句可表示瞬间或一段时间。主从句所述的动作，事情可同时发生，也可有先后It was snowing when we went to the cinema.He went home when he had finished his homework.while正当时，与同时，表示同时进行的两个延续性动作相伴随而发生，常对两类动作进行对比。Some students were reading while o

8、thers were writing.9. the earlier, the better 越早，越好 the+比较级，the+比较级表示“越越好”10. ill比较级和最高级分别是worse和worst.Hes been ill these days and he fell ill last Friday.他这几天在生病，是上周五生的病。11. drop v. 落下，掉下，降低drop 为动词，其过去式和过去分词都为dropped，现在分词为dropping常用搭配：drop in 顺便拜访drop in on sb. 顺便某人drop at someplace 顺便拜访某地12. There is no need for them to do it now. 对于他们而言，现在做这件事是没有必要的。There is no need for us to get up early tomorrow beca