八年级英语下册《Unit 4 Why don’t you talk to your parents》教案2

《Unit 4 Why don’t you talk to your parents》一、基本知识点1)allow v. 允许；准许allow doing sth 允许做某事e.g. We don’t allow smokin g 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e.g. My parents don’t allow me to stay up late. 我父母不允许我熬夜。

Mr. Smith allowed Mike to drive there. 史密斯先生允许迈克开车去那里。

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.这事挺重要的，戴维，比你所知道的要重要。

What's the big deal? It’s only a birthday, not the end of the world.有什么了不起的？这不过是个生日，又不是世界某日。

3) work outwork out 解决（问题）；算出e.g. Mike worked out the difficult problem by himself.迈克自己算出了那道难题。

Is it possible to work out the pr oblem? 有可能解决这个问题吗？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 fri end too late in the evening.太晚了，去看朋友不合适。

6）. nervous adj. 焦虑的；担忧的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 chil d doesn’t get on well with others. 那个小孩不合群。

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’l l go to the city of Xi’an for the trip.如果我们不能去爬华山，我们就去西安游玩。

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。

e.g．Last summer I went to Qingdao.This summer I’m going to Dalian instead.去年夏天我去了青岛。

今年夏天我要去大连。

Instead of going to Qingdao I’m going to Dalian this year.今年我打算去大连，而不去青岛。

9) whatever pron.任何；无论什么相当于 no matter whate.g. Whatever I suggest, he always disagrees.无论我提什么建议，他都不同意。

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. 她给我端了杯茶。

He offered to go instead of me. 他主动提出代替我去。

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.李梅能用英语与外国人轻松交流。

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。

e.g．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。

e.g 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.抄袭别人的作业不是好习惯。

15）. return v.回来；回去They didn’t return until yesterday afternoon. 直到昨天下午他们才回家。

16. In my opinion, it is important for children / parents to …in one’s opinion 依……看，用来表达某人的想法。

e.g. In my opinion, it’s important for us to protect the earth.我认为, 对我们来说保护地球很重要。

17. Perhaps children / parents …perhaps adv.大概；也许perhaps在句中位于实义动词前，助动词、系动词、情态动词后。

也可用于句首或句尾, 可指有礼貌地提出请求或帮助等。

e.g. Perhaps he is just waiting in station. 也许他正在车站等候。

pare…with; compare…to; compared with／tocompare…with意为“把……与……相比”，侧重指两者间的区别。

e.g. Compare this car with that one, and you will find the differences betweenthem．把这辆汽车与那辆汽车相比较，你就会发现它们之间的区别。