问题描述:
If the captain had been more careful,he could have prevented the accident.提问!
If the captain had been more careful,he could have prevented the accident.
这句的后半句,有情态动词和现在完成时,有这种表述么?
不是手情态动词后面的动词用圆形么?为啥还能有时态的的变化?
If the captain had been more careful,he could have prevented the accident.
这句的后半句,有情态动词和现在完成时,有这种表述么?
不是手情态动词后面的动词用圆形么?为啥还能有时态的的变化?
问题解答:
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