【正文】
must和 have to 1. ____ I go out to play, mum? No, you___. You should do your homework first. A. Might。 (表請求) would比 will客氣委婉。 情態(tài)動(dòng)詞用法的特征: 1. 有一定的詞義,但不能單獨(dú)使用作謂語。m here? 請您告訴她說我在這兒,好嗎 ? (助動(dòng)詞) (情態(tài)動(dòng)詞) will是助動(dòng)詞或是情態(tài)動(dòng)詞 用于構(gòu)成將來時(shí)是助動(dòng)詞。 表示強(qiáng)制 /義務(wù)。 在疑問句中,表示可能性用 can。 2. ______________________ eg: You must get up early. 你必須早起來。比 can正式 :eg. I believe the man is from England. But I may be wrong. It’s too late. I think he may have gone to bed. 表示猜測“可能” D. _____________________ eg. May you succeed! May you have a good journey! 表示祝愿 。 1. can could 2. may might 3. will would 4. shall should 5. must have to 常用的情態(tài)動(dòng)詞: 1) can的主要用法是: A. ___________: eg. The girl can dance very well. B. _____________: eg. Accidents can happen on such rainy days? C. ________________: eg. Can I sit here? eg. How can you be so impolite? can 和 could: 表示能力 表示客觀可能性 表請求或允許 表示驚訝,疑惑或不相信的態(tài)度,要用于疑問句或否定句。 shall 用于構(gòu)成將來時(shí)是助動(dòng)詞。 had better not C. Must。 must著重說明主觀看法, have to 強(qiáng)調(diào)客觀需要。 I’d go there with you. 我要和你一塊到那兒去。它有一定 的意義,即:說話人認(rèn)為某事“可能”, “或許”,“應(yīng)該”,或是“必須”發(fā)生等。 would亦同理。對過去發(fā)生的事情作肯定判斷用 must have done must do/be 現(xiàn)在肯定猜測 must have done 過去肯定猜測 can /could do/be 現(xiàn)在否定 ,疑問猜測 can /could have done 過去否定,疑問猜測 m