谁能告诉我情态动词有哪些？
1。can 可以，能 （过去式为could ）
Can you help me?
yes, I can。
No, I can't(cannot)。
2。could （can的过去式，不是用在过去式时意思和can一样，语气比can要弱）
Could I lend your pen?
Yes,you could。
No, you couldn't。
3。 shall 将，要( 过去式为should)
Shall I go with my mother?
Yes, you shall。
No, you shan't。
4。should 应该
Should I finish these w...全部
1。can 可以，能 （过去式为could ）
Can you help me?
yes, I can。
No, I can't(cannot)。
2。could （can的过去式，不是用在过去式时意思和can一样，语气比can要弱）
Could I lend your pen?
Yes,you could。
No, you couldn't。
3。 shall 将，要( 过去式为should)
Shall I go with my mother?
Yes, you shall。
No, you shan't。
4。should 应该
Should I finish these work first?
Yes,you should。
No, you shouldn't。
5。will 将，要，用于第二，三人称( 过去式为 would)
Will you go with us?
Yes, I will。
No, I won't。
6。would ( will的过去式，不是用在过去式时意思和will一样，语气比will弱)
Would you come tomorrow?
Yes, I would。
No, I wouldn't。
7。may 可以 （过去式为 might ）
May I have a rest?
Yes, you may。
No, you can't。
8。might 可以，may的过去式，不是用在过去式时意思和may一样，语气比may 要弱
Might I have something to drink?
Yes, you might。
No, you can't(couldn't)
9。must 必须 （过去式为：had to ）
Must I finish my homework before I go home?
Yes, you must
No, you needn't。
10。Need 需要 （过去式不变）
Need I clean the room today?
Yes, you must
No, you needn't。
11。have to 必须
Do you have to go to school today?
Yes, I do。
No, I don't。
12。ought to 应该，语气比 should 强（过去式不变）
Ought I to go?
Yes, you ought (to)
No, you oughtn't (to)。
13。dare 敢（过去式为 dared 或dare ）
Dare he go alone?
Yes, he dare。
No, he daren't。
14。had better 最好（过去式不变）
Had I better take care of it?
Yes,you had。
No, you hadn't。
以上为情态动词，情态动词后面直接跟动词原形。
情态动词没有分词形式。
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