急求各种被动语态例句

题目

急求各种被动语态例句
一般过去时的被动语态例句 一般将来时的被动语态例句 过去将来时的被动语态 现在进行时的被动语态 现在完成时的被动语态 情态动词的被动语态 一个半小时之内要出答案我急用（要初中生能看懂的）

答案

过去 Had done Would* have done
现在 Were/did Would* do
将来 Should do/were/were to do Would* do
例句：If there hadn’t been much rain in spring,we would have had a good harvest now.[过去]
If he smoked less,his cough might be well soon.[现在]
If the lecturer should be late,you would have to make a speech first.[将来]
主动:We must keep this in mind.
被动：This must be kept in mind.
我们必须把这个记在心里.