情态动词【一】汇编.ppt

The summary of language points in unit1 Since ancient times 自古代以来 it be +adj +(for sb)+to do sth =sth +be +adj +(for sb)+to do Eg,It is important (for us) to master english =English is important for us to master. do harm to sth/sb=harm sb/sth 对sb/sth有危害 纪念、追念 In memory of= in honour of Dress up 盛装、打扮、装饰 Play a trick on sb 捉弄、戏耍sb =play a joke on /make fun of/ make fool of sb 期待、期盼 Look forward to (doing)sth/sb Be proud of= take pride in 以、、、感到骄傲/自豪 Turn up/down/on/off/out/to Keep one’s word/ break one’s word Apologise to sb for sth=make an apology to sb 借、、、消愁 Drown one’s sadness in…… There is no feast on earth that doesn’t end in parting. Chose the best sentence to express”帮我一个忙” A. Give me a hand. B. Do you give me a hand? C. Can you give me a hand? D. Could you give me a hand? ( D ). D选项中含情态动词could表达说话人非常委婉的说话语气。 Grammar Modal verbs(情态动词) 情态动词的定义： 情态动词表示话人对某一动作或状态的态度，认为“可能”、“应当”、“必要”等等。 She may be a foreigner(可能 表推测) You should apologize to her(应当—表建议) 情态动词本身词义不完全，不能单独作谓语，必须和动词原形连用。情态动词没有人称和数的变化。 He will come to help me. /They will come to help me. can/could 1.能，会（表能力，ability） Eg, I can speak several languages./Can you drive a car? 2.可以（表允许permission）could 语气更委婉 Eg, can I come in?yes,you can,No,you mustn’t Could you do me a favour? 表请求语气（request） 3.可能（表猜测，guessing）can在肯定句中用的较少，多用于否定及问句中 Anybody can make mistakes(人无完人) Can the news be true?—yes,it can(×)could(√)may/might/must No ,it can’t Can 的特殊用法表“越、、、越好，再、、、也不过分” Can not/never…too/enough, ▲区别can与be able to Can(could)指本能、天生的能力 Eg,I can speak, I can play Be able to 侧重经过自身艰苦努力，最后成功了，相当于manage to do或succeed in doing,而且它还有多种时态的变化 The baby will be able to walk in a few weeks （C—E）她从很小的时候就能用英语和我们交谈了 →She has been able to talk to us in English since she was young. 高考链接 In the coal mine disaster, most of the workers were killed, but John ﹍﹍ have a narrow escape. A. could , B. would , C. was able to ,D. can C After 2 years’ hard training, he ____ walk by himself .( could; was able to) may/might 1,可以（表允许pe