广东地区高一英语Unit13 Grammar课件 新课标 人教修订.ppt
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1、Grammar 人教修订版人教修订版高中一年级高中一年级(下下)Unit 132021/8/8 星期日1 三者都可用来提建议,其中三者都可用来提建议,其中had better语气最弱,语气最弱,should,ought to 语气最强。他们的否定式分别是:语气最强。他们的否定式分别是:had better not,should not,ought not to。情态动词情态动词had better,should,ought to 的用法的用法2021/8/8 星期日2 1.had better 意思是意思是“最好最好”,表示表示说话人希望对方做什么说话人希望对方做什么,后接动词原形。后接动词原
2、形。had better not则表示说话人希望对方则表示说话人希望对方最好不要做什么。最好不要做什么。Youd better not say that.你最好别说那样的话。你最好别说那样的话。Hadnt we better take an umbrella?我们最好带一把伞吧?我们最好带一把伞吧?2021/8/8 星期日3 I had better(I think I should)begin by introducing myself.我最好(我想我应该)先作一下自我介我最好(我想我应该)先作一下自我介 绍。绍。2.should 用以表示建议或劝告用以表示建议或劝告 Children sh
3、ould obey their parents.儿童应该服从他们的父母。儿童应该服从他们的父母。2021/8/8 星期日4He should stop smoking.他应该戒烟。他应该戒烟。You shouldnt leave a baby alone in the house.你不应该把小孩子一个人留在家中。你不应该把小孩子一个人留在家中。They should have called the police.他们本应该叫警察的。他们本应该叫警察的。2021/8/8 星期日5 He should have known that the police would never allow thi
4、s sort of thing.他本应知道这样的事情警察是决不允他本应知道这样的事情警察是决不允 许的。许的。3.ought to 1)常用来表示因为有责任、义务,常用来表示因为有责任、义务,而应该做某事,通常与而应该做某事,通常与should意意 思相近。思相近。2021/8/8 星期日6 The students ought to obey the school rules 学生们应遵守校规。学生们应遵守校规。Oughtnt we to give him a chance to try?我们难道不应该给他一个尝试的我们难道不应该给他一个尝试的 机会吗机会吗?2021/8/8 星期日7 2)
5、ought to也常用来表示劝告或建也常用来表示劝告或建议,意思是议,意思是“应当应当”,“宜于宜于”。There ought to be more buses during the rush hours 在上下班乘客拥挤的时刻,公共在上下班乘客拥挤的时刻,公共 汽车应当多一点。汽车应当多一点。2021/8/8 星期日8 3)ought to还可表示猜测,意思还可表示猜测,意思是是“理应理应”,“总应该总应该”。If he started at seven,he ought to be here now 要是他七点钟出发,这会儿总应要是他七点钟出发,这会儿总应该到了。该到了。2021/8/8
6、星期日9Read the following sentences:Read the following sentences:You had better get some rest.(=Youd better get some rest.)You had better not eat fruit that isnt ripe.(=Youd better not eat fruit that isnt ripe.)2021/8/8 星期日10 You should/ought to be careful with fruit.You should not/ought not to eat too
7、 much junk food.(=You shouldnt/oughtnt to eat too much junk food.)2021/8/8 星期日11 1.You have a bit of fever.You _.2.You _ if you want to be healthy.3.If you are sick,you _ _.Exercise 1 on P5had better drink more waterought not to eat junk fooda good restshould have2021/8/8 星期日124.Before you eat an ap
8、ple,you _.5.You dont look well,you _.6.You have a bad cough,you _.should wash it first or peel ithad better take a good resthad better take some medicine2021/8/8 星期日13 7.This medicine will make you sleepy,you _ _.8.There is nothing seriously wrong with your knee,but you _.ought not to drive after yo
9、ushould be carefultake the medicine2021/8/8 星期日14 1.First,you ought to talk to your friend about it before the dinner.2.But if you dont want to ask her,then you had better do what she does at the table.Exercise 2 on P6 2021/8/8 星期日153.Of course,you should try all the food you are offered.4.However,y
10、ou shouldnt be too nervous.After all,youre her guest and she will try her best to make you feel comfortable.2021/8/8 星期日16Practice1.-Write to me when you get home.-_.A.I must B.I should C.I will D.I can2.-Will you stay for lunch?-Sorry,_.My brother is coming.A.I mustnt B.I cant C.I neednt D.I wont20
11、21/8/8 星期日173.-Did you scold him for his carelessness?-Yes,but _.A.Id rather not to B.Id rather not have done thatC.I shouldnt do D.Id better not do2021/8/8 星期日184.You didnt go to the party yesterday,or I _ you.A.would see B.could see C.might have seen D.might see 5.Look what you have done.You _ hav
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