新目标英语八年级下第3单元知识点讲解以及随堂练习 下载本文

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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 for…to…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

1could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, I could. No, I couldn’t.

2Could 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?

3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, I’m afraid I can’t.

4表示请求许可 ○

Could I …? 我可以……吗? Could I come 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 garbage waste 厨房丢掉的剩余物 指任何被遗弃的东西或浪费的东西 3. 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,表示后者也不。 He can’t swim. 他不会游泳。 Neither can I. 我也不会。 They don’t like it. Neither do I. I am not tired. Neither am I. 7. borrow 借,借用

borrow vt. 借,借入,借用。borrow…from… 向……借…… borrow 借入 borrow sth. from someplace borrow sth. form sb.

Could you please take out the rubbish? garbage collection There is much too waste in this house. 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作连词,意为“当……的时候,”可引导时间状语从句,主要形式有:

1表示一般的情况,当……的时候 ○

Could you look after her while we’re away? 我们不在的时候,你能照顾她吗?

2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。

I’ll be kind to him while you are away. 当你不在的时候我会对他好的。

3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 watching 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It was snowing when we went to the cinema. 述的动作,事情可同时发生,He went home when he had 也可有先后 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。 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. He’s 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

finished his homework. Some students were reading while others were writing. 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 because it’s Sunday. 因为明天是周日,所以我们没有必要早起。 13. do&make

do 指做一般的工作,不涉及动作的内容,是做事的总称,也用来代替上文出现过的动作。 make 指用一种原材料制作某种成品,也可指整理,冲,泡(茶,咖啡)