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仁爱版八年级上册Unit 2 Topic 2 I must ask him to give up smoking. 知识点

日期:2024-05-22 科目:英语 类型:初中素材 查看:94次 大小:33500Byte 来源:二一课件通
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仁爱,八年级,上册,Unit,Topic,must
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1097280011912600Unit2 Topic 2 Section A cause引起,引发,导致What caused it?是什么引起它的?在口语中可说成What’s happening?=What’s wrong?=What’s the matter/trouble? 2.stay up late熬夜 3.be bad for sb./sth.对某人/某物不好be good for sb./sth.对某人/某物有好处 Sports are good for our health.运动对健康有好处。 4.动名词短语作主语,谓语动词用单数 Watching too much TV is not good for our health.看太多电视对我们的身体健康是没有好处的。is not good for=is bad for Doing morning exercises is good for our body.做早操对我们的身体是有好处的。 5.right after紧跟着playing sports right after meals饭后立即做运动 play sports=have/do sports=do exercise做运动 Section B 1.cause cancer导致癌症 2.must必须,一定,用于肯定句/疑问句You must follow the rules.你必须遵循规则。Must we stay at home?我们一定要待在家里吗? 否定形式为must not=mustn’t其意思是禁止, 不许, 不准, 一定不要, 一定不许。 否定句:You mustn’t throw litter about.=Don’t throw litter about.不要乱扔垃圾。 由must(必须、一定要)开头的问句, 不用mustn’t 来回答,而应用needn’t 或don’t have to来回答。 Eg:Must he clean the room before class? 他一定要在课前打扫教室吗? 肯定回答: Yes, he must. 是的, 一定要。 否定回答: No, he needn’t./ No, he doesn’t have to.不,不必。 ask sb. to do sth. 请求某人做某事ask sb. not to do sth.请求某人不要做某事 Eg:My mother asks me not to go out at night.我妈妈叫我晚上不要外出。 4.give up放弃 give up sth.(具体某物/具体名称)I want to give up my plan. give sth.(具体某物/某事名称/代词)up:I want to give my plan/it up. give up doing sth.放弃做某事eg:You should give up smoking. be necessary for对...来说有必要 Sunshine is necessary for our lives.阳光对所有的生物来讲是有必要的。 6.enough:(1)形容词,足够的,充分的,既可以放在名词之前,也可以放在名词之后。enough+名词=名词+enough Eg:Do you have enough money/money enough to buy it?你有足够的钱买它吗? There are enough people / people enough to do the work.有足够的人做这个工作了。 (2)副词,足够地 ,充分地,放在形容词或副词之后。形容词/副词+enough Eg:It’s good enough, I think.我认为它足够好了。 If you get up early enough, you will catch the bus.如果你起床得足够早,你将能够赶上这班公交车。 7.during the day=in the daytime一整天 Section C might原形为may可能,也许He said he might come tomorrow.他说他明天可能会来。(1)表示可能性,可能 He might get there in time,but I can’t be sure.他可能会准时到达那,但是我不确信。 表示有礼貌地提出建议 You might try another pair of shoes.你可以试下另外一双鞋子。 例题: (1)--Mom,may I have a pear?--Of course.But you_____wash your hands first. A.must B.may C.can (2)The meeting can’t start without you.You_____be here on time. A.should B.may C.will D.must 2.force sb. to do sth.=force sb. into doing sth.强迫某人做某事Eg:This boss often forces the workers to work for 12 hours.这老板常常强迫工人工作12小时。 force和make都可以表示迫使,但force含有较强的暴力威胁之意,而make则表示一般意义上的“使得,让”。 be forced to do sth. 表示“被迫做某事” 3.as soon as一... 就...(引导时间状语从句) I will call you as so ... ...

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