情态动词哪些表示将来,哪些表示过去,哪些表示现在?

发布网友发布时间：2022-05-26 13:14

共1个回答

热心网友时间：2023-10-18 22:01

Modal V.+be表示推测，其中
对过去可能性不大的推测
may have done 可能已经
may have been N./ADJ./ADV. 可能已经是
may have been doing 可能在……

对现在可能性不大的推测
may be +n./adj./adv. 可能是
may be doing 可能在

对现在肯定的推测
must be +n./adj./adv. 一定是
musr be doing 一定在

对现在否定的推测
can't be +n./adj,/adv. 不可能是
can't be doing不可能在

对过去肯定的推测
must have been+n./adj./adv. 一定是
must have been diong 过去一定在……
must have done 过去一定干了

对过去否定的推测
can't have been+n./adj./adv.过去不可能是
can't have been doing 过去在
can't have done过去不可能干了