A. won’t you

　　B. ought not you C. shouldn’t you D. wouldn’t you

　　C 5 will 与 would 的用法 1 表示意志和意愿 I will never do it again. They said that they would help us. 2 表请求，建议 Will you please take a message for me? Would you please pass him the book? 3 表功能 This machine won't work. 4 表示习惯性动作与used to有何区别 Fish will die without water. Every evening ,he would sit by the window. 6 need 语 dare的用法 既可做实意动词又可做情态动词。做情态动词用于 否定和疑问句而做实意动词可用于肯定，否定疑问 How dare you say such a thing?

　　How dare you to say such a thing? He daren’t to speak English before such a

　　crowd, did he?

　　He daren’t speak English before such a

　　crowd, dare he? She _____out alone at night.

　　(

　　)

　　A.dare not to go

　　B. dares not go

　　C. doesn’t dare to go

　　D. doesn’t dares go C 7 ought to 的 用法 1 表应该与 should 的 区别 You ought to take care of him. You are his father .You ought to get him

　　to receive good education

　　2 表推测 He ought to be home by now. He must be home by now. 一 情态动词+ 完成时表对过去的推测 1 must have done（仅用于肯定句) 2 can't /couldn't have done(用于否定疑问句） 3 may have done （肯定，否定均可) 4 might have done（肯定，否定均可)

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