内容正文:
Ⅶ
专 题 七:
情态动词和虚拟语气
(Modal Verbs and Subjunctive Mood)
【2018·北京】In today’s information age, the loss of data _________ cause serious problems for a company.
【2019·江苏卷】What a pity! You missed the sightseeing, or we _________a good time together.(had)
【2018·江苏】There is a good social life in the village, and I wish I _______ a second chance to become more involved.
【2018·北京】They might have found a better hotel if they _________ a few more kilometers.(go)
真题重现:
情态动词的定义
情态动词(Modal verb),本身有一定的词义,表示语气的单词。但是情态动词不能独立作谓语,只能和动词原形一起构成谓语,没有数的变化,具有助动词功能。情态动词用在行为动词前,表示说话人对这一动作或状态的看法或主观设想。 情态动词的含义虽然数量不多,但用途广泛,英文中常见的有: can (could), may (might), must, need, ought to, dare (dared), shall (should), will (would)。
情态动词的分类和特点
情态动词
can may shall must ought to will have to need dare
could might should would
①有一定词义,但不能单独作谓语
②不受主语人称和数的变化影响(除have to)
③与主语动词的原形一起构成谓语,ought to作为一个整体
④具有助动词的功能
一、情态动词can和could的辨析
1.表示体力或脑力(知识、技能)所产生的能力,可译为“能够”。
Nobody can stop the development of science. 谁也无法阻止科学的发展