人教版八年级英语下册第四单元重点知识点梳理

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人教版八年级英语下册第四单元重点知识点梳理

Unit 4

一、重点短语

1.work out成功地发展;解决

2.cut out删除;删去

3.be angry with sb.生某人的气

4.compare…with…比较;对比

5.get on with和睦相处;关系良好

6.look through快速地看;浏览

7.offer to help主动帮忙

8.refuse to do sth.拒绝做某事

9.communicate with sb.与某人交流

10.in future今后;将来

11.all the time总是;一直

12.be worried about sth.担心某事;担忧某事

13.compete with sb.与某人竞争

二、重点句型

1.I have to study too much so I don't get enough sleep.

我要学习许多东西,因此睡眠不足。

2.I don't want to talk about it on the phone.

我不想在电话里谈那件事。

3.You should explain that you don't mind him watching TV all the time.

你应该解释你不介意他总是看电视。

4.Although she's wrong,it's not a big deal.

尽管她错了,但这并不是什么大事。

5.He should talk to his friend so that he can say he's sorry.

他应该和他的朋友谈谈,这样他就能表示自己的歉意。

6.However,the tired children don't get home until after 7:00 p.m.

然而,疲惫不堪的孩子们直到晚上7点以后才回到家。 三、重点语法

状语从句(一)

一、until的用法

until意为“直到”,引导时间状语从句。

1.在含有until引导的时间状语从句中,如果句子(主句)的谓语动词是延续性动词,如:work,live,stay,study,play,wait等,主句常常用肯定式,表示动作一直延续到until所表示的时间为止。这时until可译作“直到……为止”。如:

I'll work until he tells me to stop.我会一直工作到他叫我停下来为止。

2.在含有until引导的时间状语从句中,如果句子(主句)的谓语动词是非持续性动词,如:come,go,leave,begin,start,finish等,主句常常要用否定式,表示某一动作到until所表示的时间才发生。not…until…意为“直到……才……”。如:

She didn't go to bed until she finished her homework.她直到做完作业,才去睡觉。

3.until用作连词引导时间状语从句时,从句表示的动作如果还没有发生,习惯上要用一般现在时而不用一般将来时。如:

We won't go home until the rain stops.我们要直到雨停了才回家。

二、so that的用法

so that意为“以便”,引导目的状语从句。如:

We started early so that we could catch the early bus.

我们很早就出发了,以便能赶上早班车。

三、although的用法

although意为“尽管”,引导让步状语从句,一般位于句首。它所引导的从句不能与并列连词but,and,so等连用,但可以与yet,still等词连用。如:

Although it was expensive,we still decided to buy it.虽然它很贵,我们还是决定买。

though也可以用于引导让步状语从句,此时其意义和用法与although相同。如:

Though we only stayed there for a few days,we had a good time.

虽然我们只在那里待了几天,但我们玩得很愉快。