7.6 Modal Verbs
2026/8/11小于 1 分钟
7.6 Modal Verbs
相关信息
情态动词是在语法、句法和语义上都具有其独特性的一类词。
情态动词的用法可分两大类：推测性用法、非推测性用法
情态动词虽然有一定的词汇意义，但是不能独立作谓语，必须同不带to的动词不定式连用，构成复合谓语
关联文章：
| 现在式 | 过去式 | 疑问 | 否定 |
|---|---|---|---|
| can | could | can/could + subj. + v. | can not/can't could not/couldn't |
| may | might | may/might + subj. +v. | may not/mayn't might not/mightn't must not/mustn't |
| must | had to | must/need + subj. + v. had + subj. + to + v | must not/mustn't need not/needn't had not/hadn't |
| have to | had to | have/had + subj. + to + v. | have not/haven't had not/hadn't |
| shall | should | ||
| ought to | - | ||
| will | would | ||
| need | - | ||
| dare | dare dared | ||
| used to | - | used + subj. + to + v. did + subj. + use(d) + to + v. usedn't + subj. + to + v. didn't + subj. + use(d) + to + v. | used not/usedn't to did not use(d) to didn't use(d) to |