七 情态动词-【课课帮】2023-2024学年九年级下册英语语法专练（外研版，大连专用）

英语·九年级下册 WY 25 七　情态动词 1考 点 结 构 梳 理 A 概念及结构 􀪋 􀪋 1 情态动词主要表示说话者对某一行为或状态的态度、情感和语气。 2 情态动词有一定意义,但不能单独作谓语,要和行为动词原形或系动词原 形一起构成谓语。 3 大多数情态动词都可以在其后加not构成否定,也可以提到主语前构成疑 问句。 4 有 些 情 态 动 词 有 过 去 式,如:can—could, may—might, wil—would, shal—should。有些情态动词没有过去式,如:must, need等。 􀪋 􀪋 􀪋 􀪋 􀪋 􀪋 􀪋 􀪋 􀪋 􀪋 􀪋 􀪋 􀪋 􀪋 􀪋 B 用法总结与辨析 􀪋 􀪋 1 表示能力,如:I can swim, but my sister can􀆳t. 2 表示可能性与猜测,如:He can􀆳t be in Dalian now.Because he went to Shanghai this morning. 3 表示“许可”和“禁止”,如:You mustn􀆳t cross the road when the traffic light is red. 4 表示“义务”和“必然”,如:As a child, I should try my best to help my mum with the housework. 5 表示请求对方做事情,如:Can you tel me how to get to the nearest post office? 6 表示建议和邀请,如:Shal we go there on foot? 7 表示意愿,如:Would you like to go to the library with me tomorrow? 8 表示没必要做某事,如:You needn􀆳t finish your homework today, for tomorrow is Saturday. 􀪋 􀪋 􀪋 􀪋 􀪋 􀪋 􀪋 􀪋 􀪋 􀪋 􀪋 􀪋 􀪋 􀪋 􀪋 􀪋 􀪋 􀪋 􀪋 􀪋 􀪋 􀪋 􀪋 􀪋 􀪋 􀪋 􀪋 2过 关 练 习 单项填空。 ( )1.Nobody do it. Let me . A.can; try B.can􀆳t; to try C.can; to try D.can􀆳t; trying ( )2.— you like bananas to eat? —Yes, please. A.Would; some B.Wil; any C.Could; any D.Can; some ( )3.—Is this e-dictionary Jack􀆳s? —No, it be his. His is much newer. A.can􀆳t B.mustn􀆳t C.may D.should 26 ( )4.— I borrow your dictionary? —Certainly. Here you are. A.Must B.May C.Need D.Shal ( )5.I see the words on the blackboard. you write a bit clearly? A.mustn􀆳t; Can B.don􀆳t; Wil C.can􀆳t; Can D.needn􀆳t; Could ( )6.It􀆳s a sunny day today. You take a raincoat with you. A.can􀆳t B.mustn􀆳t C.needn􀆳t D.can ( )7.—I can􀆳t give up smoking, doctor. —For your health, I􀆳m afraid you . A.may B.can C.have to D.cou