一般句子如何改成If引导的条件状语从句?

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一般句子如何改成If引导的条件状语从句?

一般句子如何改成If引导的条件状语从句?
一般句子如何改成If引导的条件状语从句?

一般句子如何改成If引导的条件状语从句?
if 引导的条件状语从句和时间状语从句中常用一般现在时代替将来时,如:
If it rains tomorrow,I won't go there.
如果明天下雨,我就不去那儿.
I will call you as soon as I arrive there.
我一到那儿就给你打电话.
I won't go to the party unless i am invited.
除非我被邀请,我将不去参加那个聚会.
I will buy you a MP4 as a present as long as you behave well.
只要你表现好,我就会给你买MP4做礼物.

条件句把握一个原则:主句用一般将来时态,if从句用一般现在时态,简称“主将从现”,例如:
It may rain tomorrow.
I will go for a picnic.
----I will go for a picnic if it doesn't rain tomorrow.能多举几个例子吗,第一句中It may为什么 改成之后变成了It doesn't r...

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条件句把握一个原则:主句用一般将来时态,if从句用一般现在时态,简称“主将从现”,例如:
It may rain tomorrow.
I will go for a picnic.
----I will go for a picnic if it doesn't rain tomorrow.

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