if引导的虚拟语句的时态
回答
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2022-04-11
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if sb do sth sb will/shall do sth.
If you go with me, you shall be rewarded.
扩展资料
2. 当if后面接一般过去时的动词时,则是一种虚拟语气.
if sb did sth sb would/should do sth.
If I didn't make that mistake, I would't have suffered such a failure.
3. 当if后面接什么时态都可以时,if为“是否”的意思,句子为宾语从句.
sb do sth if sb do sth.
He said if rain was stop.
由if引导的条件状语从句,时态应该是主将从现,就是说主句用一般将来时,而从句用一般现在时表示将来。
例如 If it doesn't rain tomorrow, I will visit my former school.
这里从句就用一般现在时。
当然if引导的从句也可以用虚拟语气
例如If I got up early in the morning, I wouldn't miss the train.