1.If I (see)him yesterday I (ask)him about it.
答案:had seen;would have asked
2.What do you think would happen if there (be)no light?
答案:were
3.If her lawyer (be)here last Sunday,she (prevent)her from going.
答案:had been;would have prevented
4.If it had not been for the liberation,no changes (take) place in my hometown.
答案:would have taken
5.If Miss Green (come) late tomorrow,who would take her place?
答案:should come
6.If Mother (tell) me the truth when I was young,I would not make such mistakes so often now.
答案:had told
7.You could answer most of the questions now if you (review)the lessons last night.
答案:had reviewed
8.If you had studied hard before,you (be)a college student now.
答案:would be