高考英语(人教版)大一轮复习课件:语法部分 6. 情态动词 (共32张PPT).ppt
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1、情态动词 主要用法 典型例句can/could表能力“能,会”I can answer the question.我能回答这这个问题。表请求“能,可以”Can you help me with it?能帮我一下吗?表允许“能,可以”Can I read your newspaper?我能看看你的报纸吗?主要用法 典型例句can/could提建议“可以”You can ask Mr.Li about it.这件事你可以问问李先生。表可能性:可能(问句或否定句)That cant be Mary,shes in hospital.那不可能是玛丽,她住院了。What can they be doin
2、g?他们可能在干什么呢?主要用法 典型例句may/might表允许You may come if you wish.你愿意来可以来。表可能This coat may be Peters.这件大衣可能是彼得的。表祝愿May you succeed!祝你成功!主要用法 典型例句must表必要“必须”I must study hard.我必须努力学习。表坚持“偏要,非要”Must you make so much noise?你就非得弄出这么大声吗?表不可避免“必定会”All men must die.人总有一死。表推断“一定、准是”You must be tired after your long
3、 walk.你走了那么远的路,一定累了。主要用法 典型例句shall 在疑问句中征求意见(主语是I,we,he)Shall we begin now?我们现在开始,好吗?Shall he wait for you outside?要不要他在外面等你?表示说话者给对方的承诺、决心、警告等You shall have a new dress for your birthday.你过生日一定得有件新衣。(主语是第二、第三人称)表示强制,意为“必须,应该”Each competitor shall wear a number.每个参赛者要戴一个号码。(在法令、规章中)主要用法 典型例句should 表
4、示责任或义务He should work harder.他应该更加努力。(意为:应该,应当)表示推断“可能,该”He should arrive soon.他可能很快就到了。(=will probably)表示“竟然”Its strange that he should be late.真奇怪,他竟会迟到。表示不感兴趣、惊讶How should I know?我怎么知道呢?表示“万一”(条件句)If I should be free tomorrow,Ill come.万一明天有空,我就来。主要用法 典型例句will/would 表示愿意 He will take you home.他愿意送你
5、回家。表示请求 Will/Would you go with me?你愿意和我一起去吗?表示真理“总是”Oil will float on water.油总是浮在水面上。主要用法 典型例句will/would 表示过去的习惯He would get up early when he lived in the country.他住乡下时总是早起。表示要求“一定”You will report to me afterward.你稍后一定要向我报告。表示目前情况的预测“一定,大概”This will be the house youre looking for.这大概就是你要找的房子。熟读深思 Lu
6、cy is an outgoing lady.She can1 play many kinds of musical instruments.Actually,she could2 play the piano when she was 8 years old.Lucy also keeps taking exercise every day.She says that she has to3 do some sports because she must4 keep slim.“You shall5 get fat soon if you dont take exercise every d
7、ay.”She usually says to her friends.As for her,an elegant lady should6 try to keep fit.However,last week,she found that she might7 put on weight and she was worried and decided to lose weight.And these days she is always thinking that she may8 succeed soon if she tries all her best.However,she is al
8、ways lack of time because she ought to9 take care of her children.One night after supper,she walked quickly in order to go dancing at the Tomorrow Park and she was late.On her way,she thought that the dancing must have begun10,and the coach could have taught or shown11 many new moves.She was afraid
9、that her friends might have left 12 before she got there.She was regretful then.She should have had13 supper earlier,or she could have taken a taxi14,and indeed she neednt have taken15 a bath in advance.When she reached the park finally,she found nobody was there.She remembered suddenly that it had
10、been reported on the radio that there would be a heavy rain that night.汉语译文:露西是一个性格外向的女士。她能够演奏许多种乐器。事实上,她8岁的时候,就能弹奏钢琴了。露西每天都要坚持运动。她说她每天都必须做一些运动,因为她得保持苗条。她经常对她的朋友们说:“如果你不每天坚持运动的话,你一定会很快变胖的。”对她来说,一位女士应该尽量保持健康苗条。然而,上星期她发现她可能胖了,她很担忧,于是决定要减肥。这些天,她总是在想,如果自己尽力减肥的话,也许很快就能成功。不过,她总是缺少时间,因为她要好好照顾她的孩子们。一天晚上,她吃过
11、晚饭后,就急匆匆地步行前往明天公园跳舞。她迟到了。她一路上都在胡思乱想:跳舞一定已经开始了,教练可能已经教了或者是展示了许多新动作;恐怕在她到达之前,连她的朋友都已经离开了。她很懊悔,自己本应该要早点吃晚饭的,或者本来可以乘出租车去的,甚至不必要提前就洗澡的。当她最终到达公园的时候,她发现,那儿一个人也没有。她突然想起来,电台上已经预报过说那晚可能会有一场大雨。1.can在此表示能力。2.could 在此表示能力,是can的一般过去时。3.have to 表示“不得不”,强调客观需要。4.must 表示“必须”,强调主观想法。5.shall 表示说话者的意图、允诺、告诫、警告等,用于陈述句的第
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