用虚拟语气翻译句子!!

If he comes,what we can say to him
If I have any time, will go with you next Monday.
Our teacher suggested us erase the blackboard at last.

1.If he were to come , what should we say to him.
2.If I had time next week , I would go with you.
3.The teacher suggested that we should clean the blackboard at last.
虚拟条件句就是对现实条件的一种虚拟假设，所假设的条件一般不符合事实或与事实相反或在现实中发生的可能性极小。根据时间的不同，虚拟条件句可分为三种，即与现在事实相反的虚拟条件句、与过去事实相反的虚拟条件句及与将来事实相反的虚拟条件句。

表虚拟的时间 if从句谓语形式 主句谓语形式
现在： did / were would (should, might, could)+do
过去： had done/ had been would (should/might/could)+have done(been)
将来： were to/ should+do would (should, might, could)+do

If he comes,what would we say to him?
I would go with you if i have time next Monday.
The teacher suggested that we should clear the blackboard at last

If he comes,what would we say to him?
I wo