摘要;连接词if
三、虚拟条件状语从句中的倒装1、在含有were，had，should的虚拟条件状语中，如果省略了连接词if，要求用倒装结构。例如：
1)_______ right now，she would get there on Sunday.
A)Would she leave
B)If she leaves
C)Were she to leave
D)If she had left(CET-4，1996.6-42，选C)
2)_______ before we depart the day after tomorrow，we should have a wonderful dinner party.
A)Had they arrived
B)Would they arrive
C)Were they arriving
D)Were they to arrive(CET-4，1997.1-34，选D)
3)Had he worked harder，he _______ the exams.
A)must have got through
B)would have got through
C)would get through
D)could get through (CET-4，1997.6-42，选B)