初中英语情态动词优质课件.pptVIP

初中英语情态动词2023/4/18 01情态动词的那些事儿02情态动词的那些一般用法03情态动词的那些推测用法04情态动词的那些特殊用法目 录CONTENTS2023/4/18 情态动词的那些事儿2023/4/18 情态动词的那些词儿may might can could will would shall shouldmust have to need… 2023/4/18 情态动词的那些特点Cai Xukun can sing songs well.Fan Chengcheng can sing songs well too.But Dong Yanlei can’t sing songs well.3. 有助动词的作用1. 不能单独作谓语，必须与动词原形连用2. 没有人称和数的变化2023/4/18 情态动词里的那些一般用法02PART TWOmay/might can/couldwill/wouldshall/shouldmust/have to/need2023/4/18 May I go to the Ball?Yes, you may.Yes, you can.No, you mustn’t.No, you can’t.may might意义：请求获得对方的允许，“可以”might (委婉语气)否定--mustn’t/can’t肯定--may/can2023/4/18 must have to need否定mustn’t, “禁止”否定回答用 needn’tNo, you needn’t.No, you don’t have to.Must I do the housework?Yes, you must.2023/4/18 must have to need3. must 与have to 的区别I must go to the Ball. But I have to finish the housework, before I go to the Ball.2023/4/18 can could1.表具备某种能力：能，能够； could (过去的能力) Cinderella could dance well in the past. Cinderella can dance well now.2023/4/18 can could2. 表请求和允许：“可以”= may； could (委婉语气) 回答：肯定--can 否定--can’t Could I dance with you?Yes, you can.2023/4/18 知识要点总结情态动词本意may, mightcan, couldmust允许 能力，允许必须否定含义不能不可以不可以禁止回答 may/canmustn’t/can’t can can’t must needn’t2023/4/18 1. --Must he sing the song in English ? --No, he _____.A. needn’t B. can’t C. mustn’tPractice makes perfect2023/4/18 2. --Mum, _____ I play football this afternoon ? --Sure, but you _____ finish your homework first.may, could can, must can, mustn’t may, can’tPractice makes perfect2023/4/18 will would用于第二人称的疑问句中，表“请求、建议”等; would (委婉)用于表示意志，意愿或决心，意为“会，愿意”。 will指现在，而would指过去。Will you marry me?Yes, I will.I will love you forever.2023/4/18 shall should1.征求对方意见，用于第一，第三人称疑问句中shallShall we hold our wedding this Sunday?Ok.2023/4/18 shall should意为：应该。表达义务，职责（说话人的观点）shouldAs human, we should be kind to others.2023/4/18 1. --Many people play with mobile phones all day instead of reading books.--That’s too bad. Eve