Unit 4 Why don’t you talk to your parents知识点

Unit 4  Why don’t you talk to your parents?知识点单元语法一．提建议常用的表达方式1. Why not...? /Why don 't you...?意为“为什么不…呢?”，其后接动词原形。如Why not talk to your parents? ＝Why don't you talk to your parents?为什么不和你的父母谈一谈呢?2. Shall we…?用来委婉地提出建议或征求对方的意见，意为“我们…好吗?”。其肯定回答一般可用: All right./OK./ Good idea.等。如:—Shall we go to the park together?我们一起去公园好吗?—Good idea.好主意。3. had better意为“最好;还是……好”，常用于口语中，其后接动词原形。如You had better go to bed early.你最好早点上床睡觉。4.What/ How about…?意为“……怎么样?”，其后可接名词、代词或动词-ing形式。如:What/How about buying her a CD? 给她买张唱片怎么样?5.Let ' s…意为“让我们(包含对方在内)其后接动词原形。如:Let ' s go shopping.让我们去购物吧!二、连词 although， so that与 until的用法1. although意为“尽管;虽然”，相当于 though，用来引导让步状语从句。可以放在主句前面，也可以放在主句后面。句中用了 although或 though，就不可再用but。若要强调前后两部分的对比意义，可在主句前加yet或still。如Although/Though he has a lot of money，yet/still he is unhappy.他虽然有很多钱，但并不幸福。2.(1)so that意为“目的是;为的是;以便”时，引导目的状语从句，从句中通常含情态动词 can， may， might， should等。如：He got up very early so that he could catch theearly bus.他起床很早，以便能赶上早班公共汽车。(2) so that意为“以致;结果”时，引导结果状语从句，陈述的是客观事实，常常不带情态动词。如：He studied hard so that he passed the exam.他努力学习，结果通过了考试。3. until与延续性动词连用时，动词用肯定形式，表示“直到……为止”，指主语的动作一直持续到until后的动作发生为止。与短暂性动词连用时，动词须用否定形式，意为“直到…才…”，指主句的动作一直到unil后的动作发生时才发生。如:I waited until3:00，but he didn＇t come.我一直等到3点钟，但他没来。(wait为延续性动词)The noise of the street didn＇t stop until midnight街上的喧闹声一直到半夜才停止。(stop为短暂性动词) Section Aallow sb. to do sth.意为“允许某人做某事”。例：His parents won't allow him to stay out late.他的父母不允许他在外面待到很晚。2.  What's wrong?怎么了? wrong作形容词,意为“有毛病的;错误的”。例：—Hey, Steve. You look tired. What's wrong?　你好，史蒂夫。怎么了? —I didn't sleep well last night. 我昨晚没有睡好。3. look through是固定短语,意为“快速查看;浏览”。例：I looked through the notes before the exam.我考试前匆匆看了一下笔记。4.work out属于“动词+副词”的短语搭配,意为“解决;成功地发展”。如
果宾语是名词,既可以放在out前,也可以放在out后;若宾语是代词,只能放在work和out之间。例：She is experienced enough to work out the problems.她足够有经验,能够解决这些问题。5.get on with是固定短语,表示“和睦相处;相处融洽”,与get along with同义。get on/along well with sb.意为“和某人相处得很好”。例：They got on well with their classmates.他们和同学们相处得很好。6.argue作动词,意为“争吵;争论”。argue with sb. about/over sth.表示“就某事和某人争吵/争论”。例：Don't argue with your parents. 不要和你的父母争吵。7.offer作动词,意为“主动提出;自愿给予”,offer还可以作名词,意为“主动提议;建议”。offer的搭配有:offer sth.to sb.=offer sb.sth.给某人提供某物They offered us some tents.=They offered some tents to us.他们为我们提供了一些帐篷。offer to do sth.主动提出做某事He offered to lend me his bike.他主动提出要把他的自行车借给我。8. (1)communicate作动词,意为“交流;沟通”。communicate with sb.表示“和某人交流;和某人沟通”。例：Parents often find it difficult to communicate with their children.父母经常发现很难和他们的孩子沟通。(2)communicate的名词形式是communication,意为“交流;沟通”。例：Doctors do not always have good communication skills.医生并不总是具备良好的沟通能力。9.elder,older这两个词都是形容词old的比较级形式,区别在于:elder指“年长的”,常修饰人,用来表示家庭成员之间的长幼关系,常作定语older指“年纪较大的,较老的,较旧的”,修饰人或物, 既可作定语,也可作表语例：My elder sister gave me an apple.(作定语) 我的姐姐给了我一个苹果。The older man in the photo is my grandfather. (作定语) 照片里那个年龄较大的人是我的爷爷。Your bag is older than mine. (作表语) 你的包比我的旧。 Section B1.compete with sb. 意为“和某人竞争/比赛”,是固定搭配。例：I don't want to compete with anyone. I only want to do my work well.我不想和任何人竞争,我只想把我的工作做好。2. cut out是固定搭配,意为“删除;删去”。例：I cut out one paragraph in this article. 我删除了这篇文章的一个段落。3.q uick作形容词,意为“快的;快速的”。Be quick! The train leaves in 5 minutes! 快点!五分钟后火车就要开了! 4. continue作动词,意为“持续;继续存在”。(1)continue to do sth. 指继续做另外一件事情(2)continue doing sth. 指继续你手头上正在做的事情例：1) I continue to wash my clothes.（说明我之前没在洗衣服。）2) I continue washing my clothes.（我刚才就在做，接着做的意思。）5. compare作动词,意为“比较”。(1)compare…with…意为“将……和……比较”（强调同类相比）(2)compare...to…意为“把……比作……”(强调异类相比)例：1)He compared this coat with that one .他拿这件大衣和那件大衣作比较。2)People often compare teachers to candles.人们常把老师比作蜡烛。6.push作动词，意为“鞭策;督促”。 push sh. to do sth.意为”督促某人做某事”。例：We always have to push him to do his homework.我们总是不得不督促他做家庭作业。注意:当push意为“推”时，反义词为pull意为“拉”。串记: If you want to enter the room，push the door;if you want to leave，please pull the door.如果你想进这个房间就推门;如果想离开，则拉门。7.辨析：instead与instead ofinstead副词,意为“代替;顶替”,常用在句末instead of介词短语,意为“代替;而不是”,后面一般接名词、代词或动名词例:(1)I didn't have a pen,so I used a pencil instead. 我没有钢笔,因此我用铅笔代替。(2)I came instead of my elder brother. 我代替我哥哥来了。8. (1)It ' s time for sth.意为“到做某事的时间了”，与It ' s time to do sth.同义。（2）It ' s time for sb. to do sth.意为“到了某人做某事的时间了”。例：1）It's time for school.= It's time to go to school. 该去上学了。2）It's time for us to have lunch. 到了我们吃午仮的时间了。9. cause作动词，意为“造成;引起”。 cause sb. to do sth.意为“导致某人做某事”。例：Tom's careless driving caused the accident. 汤姆的粗心驾驶导致了这起事故。What caused MI. Wang to change his mind? 是什么使王先生改变了主意?拓展: cause还可作名词，意为“原因;起因”。例：The cause of the accident was that he was driving too fast.事故的原因是他开车开得太快。10. in one's opinion意为“依某人看”,是固定搭配。例: In my opinion, she should go to school tomorrow. 在我看来,她明天应该去学校。11. 短语归纳：（1）get better grades 获得较好的成绩(2)so much 如此多