【正文】
ht C. can’t D. shouldn’t ( )8.—Listen! Is Professor Johnson giving a report in the hall?—No, it be him. He has gone to Japan.A. needn’t B. may not C. mustn’t D. can’t( )9.—Let’s go to the West Hill Park by taxi.—Oh, it is not far away from here. We _______take a taxi.A. couldn’t B. mustn’t C. needn’t D. can’t( )10.—Can you play the piano?—Yes, I _______. I often practice it on weekends.A. needn’t B. need C. can’t D. can 三、課后練習(xí) 一、用can, may, must, need, have to, had better的適當(dāng)形式填空:1. Her mother was ill. She ________________ stay at home and look after her.6. —No, you B. needn’t has gone B. mustn’t 。 C 分析:表示否定的猜測(cè)用can’t 。 C 分析:在回答帶有must的問句時(shí),否定式常用need not (= needn39。對(duì)于以情態(tài)動(dòng)詞must提問的疑問句,否定回答要用“No, 主語+needn’t”,故由問句中的must和答句中的No可選A。本題考查can’t表示否定的推測(cè)。以can 引導(dǎo)的一般疑問句再作肯定回答時(shí)還是用can。 4. couldn’t 8. can’t二、 1A2B3C4選C。由題意“不可能是露西,她現(xiàn)在在日本”可知應(yīng)選C。12選D。mustn’t意為“一定不能”,由“很危險(xiǎn)”可知用mustn’t,故選B。15選C。16選B17選D18選B。19選C 20選C6。結(jié)合前句“I’m not sure. Ask our monitor, please.”可知題意為“他可能知道(我們將在哪里開班會(huì))”,故選B。may意為“可能、或許”,can意為“能、會(huì)”,have to意為“必須、不得不”,表客觀要求,而must 表主觀愿望??疾閷?duì)must開頭的一般疑問句的回答。13選B??疾榍閼B(tài)動(dòng)詞must的用法??疾榍閼B(tài)動(dòng)詞can’t表示推測(cè)的用法。 6. must, may 2. can’t, Could結(jié)合關(guān)鍵信息“He has gone to Japan.”可知“他不可能是約翰教授”應(yīng)選D。結(jié)合關(guān)鍵信息“I never even dream about it.”可知題意為“它肯定是非常貴的”,故排除B、C、D三項(xiàng)。例3答案 D 分析:本題第一句是請(qǐng)求對(duì)方的允許,需要用May,其否定式為mustn’t。t)表示“不應(yīng)該”、“不許可”、“不準(zhǔn)”、“禁止”等。has gone D. can’t 。 I ______________ (not) find the way to the hospital. _______________ you show me the way?3.t( )3.—______ I take some photos in the hall? C. needn39。 — No, it ______ be him. Mr. Li is much taller.A. mustn’t )如:Mr. Wang may know Professor Li’s telephone 。如:The man under the tree can’t be Tom. He’s gone to England. 這個(gè)人不可能是Tom,他已經(jīng)去英國(guó)了。Cars mustn’t be parked here. 此處嚴(yán)禁停車。如: You have worked hard all day. You must be tired. 你已辛苦工作一整天了,一定累了。 我們現(xiàn)在怎么做才好呢?Hadn’t we better tell her the truth? 你最好睡一會(huì)兒。 6. had better的基本用法:had better常略作’d better。We don’t need to work today.即need to do sth;如果物作主語,一般后用need to be done 或need doing sth。(你還沒買)You needn’t have bought the coat./不,不必?!狽eed we go so soon?⑴ need用作情態(tài)動(dòng)詞時(shí),只用于否定句和疑問句。I’ve got to go to a meeting.例:I / You / We / They have to…. He / She / It has to…. You don’t have to….Does she have to…?have to =have got to,意思是“必須,不得不”。You must be Mr. Jones.例:She didn’t look at me. She must be angry.也就是:—Must I/we do