专题四 情态动词与虚拟语气 考点1 must的用法 1.You ________ be careful with the camera.It costs!(2015·四川,2) A.must B.may C.can D.will 2.You ________ be Carol.You haven’t changed a bit after all these years.(2015·重庆,12) A.must B.can C.will D.shall 3.—________ you interrupt now? Can’t you see I’m on the phone? —Sorry Sir,but it’s urgent.(2017·重庆,25) A.Can B.Should C.Must D.Would 4.If you ________ smoke,please go outside.(2011·大纲全国,8) A.can B.should C.must D.may 考点归纳 1.must表示“义务、责任、命令”时意为“必须”;表示推测时意为“一定是,必定是”。 2.must用在条件句或疑问句中,有时表示固执坚持,意为“一定要,非得要”。 Must you make that dreadful noise? 你非要弄出这讨厌的噪音吗? If you must go,take my umbrella. 如果你非要走,就带上我的伞。 |