时间状语从句 主局用什么时态 从句用什么时态我不喜欢看字

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时间状语从句:连接时间状语从句的连接词有:(1) 连词：when,while,as.它们都表示当…时候的意思.如果主句和从句的动作同时发生且都是进行时 态,只用while,as.其他情况下when,while,as通用.1 When he came in,I was li...
======以下答案可供参考======
供参考答案1:
第一种：主过从过（主句是过去式从句也是过去式）
第二种：主将从现（主句是将来式从句是一般现在式）
第三种：最简单，主句是一般现在式从句也是一般现在式
供参考答案2:
我再和你说说宾语从句吧，也许这你已比较熟了。
1.主句是一般现在时，从句可以是任何时态。
I hope he will e tomorrow.
I think he played basketball yesterday.
I can see that they are playing basketball.
2.主句是一般过去时，从句一般应用过去有关时态。
He said he watched TV last night.
He told me he would go to Beijing on Wednesday.
He told me he had finished his homework the day before.
3.从句内容是真理性的东西时，从句仍用一般现在时。
The teacher said the moon goes round the earth.