八年级下英语第四单元

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Unit 4 Why don’t you talk to your parents? Language points1.Why don’t you talk to your parents? 你为什么不和你打父母谈谈呢?【解析】Why don't you do sth. ?= Why not do sth.? 为什么不......呢?【拓展】用于提建议的句型有:(1) What about doing sth. ?=How about doing sth.? (2) Why don’t you do sth.?= Why not do sth.?(3) Let’s do sth. (4) Shall we/I do sth.? (5) had better do/not do sth.(6) Will/Would you please do sth. ?(7) Would you like to do sth.?(8) Would you mind doing sth.【回答】(1). 同意对方的建议时,一般用:◆Good idea. / That’s good idea. ◆OK/ All right. / Great. ◆Yes, please. / I’d love to. ◆I agree with you. ◆No problem. ◆Sure./ Of course./ Certainly. ◆Yes, I think so.(2).对对方的帮助或要求表示委婉谢绝时,一般用:◆I don’t think so. ◆Sorry, I can’t. ◆I’d love to, but ◆I’m afraid1)allow v. 允许;准许allow doing sth 允许做某事e.g. We don’t allow smoking in our house.我们不允许在家里抽烟。

allow sb. (not)to do sth. (不)允许某人做某事(在中考单选中常考)e.g. My parents don’t allow me to stay u p late. ;Mr. Smith allowed Mike to drive there.2) big deal, dealbig deal 表示“重要的事情或状况”,多用于非正式交流。

作否定时,常说It’s not a big deal或It’s no big deal. 没有什么了不起。

e.g. There's a soccer game on TV this evening but I don’t have to watch it. It’s no big deal. 今天晚上电视上有一场足球赛,但我不一定要看。

It’s a big deal, David, bigger than you know.What's the big deal? It’s only a birthday, not the end of the world.3) work out 解决(问题);算出e.g. Mike worked out the difficult problem by himself. Is it possible to work out the problem?work for 为……做事,为……尽力,被……雇佣者work out 可以解决,设计出,算出,计算出,消耗完挤出去4)argue v. 争吵;争论 e.g. The couple began to argue about the child’s education.argue for 为……辩护The lawyer argues for the poor man.argue sb with/over sth 与……争论Do what you are told and don't argue with me!argue against争辩……He argued fiercely against the plan of tax cute.5). proper adj. 正确的;恰当的 e.g. It’s not proper to visit a friend too late in the evening.太晚了,去看朋友不合适。

6). nervous adj. e.g. Don’t be nervous. It is just a small test. 不要紧张。

就是个小测试而已。

7). My problem is that I can’t get on with my family.get on with 和睦相处;关系良好相当于get along withe.g. The child doesn’t get on well with others; Instead he watches whatever he wants until late at night.8) instead adv. 代替;反而;却e.g. If we can’t go to Huashan Mountain, we’ll go to the city of Xi’an for the trip.辨析:instead 是副词,常置于句子末尾; instead of 是介词短语,后接名词、代词、动名词等。

例如:Last summer I went to Qingdao. ;This summer I’m going to Dalian instead.Instead of going to Qingdao I’m going to Dalian this year.9) whatever pron. 任何;无论什么相当于no matter whate.g. Whatever I suggest, he always disagrees.whatever可用作连接代词或连接副词,引导让步状语从句,表示“无论,不管”的意思。

此时,可用no matter what结构来替换其意完全相同。

位置前后置都可。

whatever还可以引导名词性从句,同时起先行词和关系代词的作用。

相当于anything that或all that,有任何一切这类意思。

此时不能用no matter what 替换。

注意“no matter+疑问词”结构与“疑问词+ever”在用法上的区别1.“no matter+疑问词”结构只能引导让步状语从句,这时可以和“疑问词+ever”互换。

如:No matter where he may be (=Wherever he may be), he will be happy.注意从句的时态由no matter what/who/where/when…引导的从句往往用一般现在时或一般过去时。

No matter who you are, you must obey the rules. 无论你是谁,都应该遵守规则。

10). If your parents are having problems, you should offer to help.offer v. 主动提出;自愿给予offer侧重主动或愿意给予,主动提出做某事。

结构:offer sb. sth. 或offer to do sth.e.g. She offered me a cup of tea. He offered to go instead of me.11). Secondly, why don’t you sit down and communicate with your brother?communicate v. 交流;沟通;communicate with sb. 与某人交流e.g. Li Mei can easily communicate with foreigners in English.12). Can you explain to me how to do this math problem?explain v. 解释;说明explanation n.1. explain + that / what/ why 等从句;2. explain sth. (to sb.)(向某人)解释某事e.g. Can you explain what this means? 你能解释一下这个的意思吗?Please explain it to me. 请你向我解释一下吧。

13)elder/older这两个词均是old的比较级。

在用法上有所区别。

elder表示“前辈的”、“年纪较长的”,仅用于同一家庭成员的比较;older则不限于此。

如My younger son is five and my elder son is nine。

我的小儿子5岁,大儿子9岁。

Tom is two years older than I.汤姆比我年长两岁。

elder在句中只用作定语,不作表语;older两者皆可。

例如: My elder sister does her homework all by herself. 我的姐姐独自做作业。

His elder son got married last week. 他的长子是上星期结婚的。

I think his mother is older. 我认为他的母亲年龄大引起。

elder只能用来指人;older既可修饰人,也可修饰物。

例如:My elder brother joined the army when he was only fifteen.我哥年仅15就参了军。

This dog is older than any other dogs here.这条狗在这里是最老的一条。

I have a sister older than myself.我有位比我大的姐姐。

It is said Mr Chen is over ten years older than Mrs Li.据说陈先生比李女士大10多岁。

14 copy v. 复制;复印It’s not good habits to copy other’s homework.15 return v. 回来They didn’t return until yesterday afternoon. 直到昨天下午他们才回家。

重点区分:1.so that; 点拨:so that 意为“因此”,引导目的状语从句,一般放在主句后,且不用逗号隔开。

表示前一句所表述的动作的目或动机(是一种可能性),而非事实。