1 中考情态动词考点 (一)情态动词概说 1.情态动词也是“辅助性”动词,用来表示说话人的语气或情态
情态动词所表示的情态有:请求、命令、允诺、可能、需要、敢于、愿望、义务、能力等
2.情态动词本身有词义,但词义不完全,不能单独用作谓语,没有人称和数的变化,且后面只跟动词原形
如: 她会唱英文歌曲
She cans sing an English song
(F) She can sings an English song
(F) She can sing an English song
(T) 3.有些情态动词的过去时与其原形相同,有些与原形不同
(1) 与原形相同的有: must --- must ought to --- ought to (2) 与原形不同的有: can --- could will --- would may --- might shall --- should need --- needed dare --- dared have to --- had to (二)情态动词的种类:(见下表) 原 形 过去式 词 义 can could 能 may might 可以(或许) must must(had to) 必须(不得不) will would 愿意 shall should 应该 need needed 需要 dare dared 敢于 (三)情态动词的否定形式: cannot --- can’t could not --- couldn’t may not--- mayn’t might not--- mightn’t must not --- mustn’t will not --- won’t would not --- wouldn’t need not --- needn’t shall not --- shan’t shoul