文本内容:
与的区别must have to情态动词和都有“必须”的含义,它们的用法如下must have to
(一)、“必须”、“应该”的用法:表示“必须”、“应该”例如must Lmust
①(我们必须保护环境)We mustprotect ourenvironment.
②(人人必须遵守制度)Everyone mustobey therule.的否定形式表示“不应该”、“禁止、“不准”语气比较强烈例如
2.must mustnot
①.(你不应该像那样讲话)You mustntspeak likethat
②(你不应该上学迟到)You mustntbe latefor school..在回答的问句时,肯定形式用来回答,但否定形式用或来回3must mustneedn,t donhave to答而不用来回答例如mustift1-----Must Ibe homebefore8o,clock(8点之前我必须回家吗?)Yes,you must.No,you neednt/No,you dont have to.(是,你必须)(不,你不必)
(二)、表示“必须”、“不得不”,例如have to
①.(他必须卧床休息三四天)He has to stayin bedfor3or4days()(明天我们必须早起)2We willhave toget upearly tomorrow.补充是的口语形式例如have got to have to
①(我不得不去南京)Fve got to leavefbr Nanjing.与的区别*Must have to表示的是说话人的主观看法,而则表示的是客观需要一般只有现在时,而must have to Must有更多的形式haveto
①(主观看法)I mustgo now.2My motheris ill,so Ihavetogo now.(客观需要)与的区别*Have to have gotto虽然是的口语形式,但二者在用法上有严格的区别的前面还可以have gotto haveto haveto用情态动词或助动词,而却不可以;的否定形式为have gotto haveto doiTt/doesn/didn,t+have疑问式为主语+?而的否定形式是在后加疑问to,Do/Does/Did+haveto…have gottohavenot,式把提前例如have厂
①厂
①We dont havetogo home.Do youhavetogo home
②②We haventgottogo home.Have yougottogo home专项练习
11.——Must I do itnowNo,you.A.neednt B.donthaveto C.mustnt D.A orB2・Its nearlyseven oclock-Jack behere atany time.A.must B.need Cshould Dcan.
3.------When canI comefor thesephotos Ineed themtomorrow afternoon.They beready by12:
00.A.can B.should C.might D.need
4.They dowell inthe exam.A.can be able to B.beableto C.can ableto D.are ableto
5.-Could Itake thisbook out-No,you.A.cant B.couldnt C.needn*t D.arent
6.You goand seea doctorat oncebecause youregot afever.A.can B.must C.dare D.would
7.-Can youspeak Japanese-No,I.A.mustnt B.cant C.neednt D.may not
8.Even thetop studentsin ourclass cantwork outthis problem,so itbe verydifficult.A.may B.must C.can D.need
9.He isntat school.I thinkhe beill.A.can B.shall C.must D.hasto
10.The childrenplay footballon theroad.A.cant B.can C.mustnt D.must1l.His armis allright.He goand seethe doctor.A.has nottoB.don*thavetoC.havent to D.doesnt haveto
12.Excuse me.you pleasepass methat cupA.Do B.Should C.Would D.Must
13.-Would youlike togo boatingwith us-Yes,.A.rd likeB.I wantC.Td liketoD.Ido。