must 没有过去式,那能用于过去时的句子中吗
must的过去式还是must,不能说must没有过去式.可以用于过去时的句子.
e.g. If he had started earlier,he must have got there on time then.
must 没有过去式,那能用于过去时的句子中吗
must 没有过去式,那能用于过去时的句子中吗
must的过去式还是must,不能说must没有过去式.可以用于过去时的句子.
e.g. If he had started earlier,he must have got there on time then.