文档介绍：1. 虚拟条件句if
主句
if从句
与现在事实相反
与过去事实相反
与将来事实相反
1.）
2.）
3。）
2。 wish 对现在
as if 对过去
if only 对将来
to speak; to see D. to speak; seeing（精品文档请下载）
8. — Tina didn’t take the medicine last night， did she?（精品文档请下载）
— No， but I wish she _______。
A。 did B. should C。 had D. would
9。 The reason _____ you failed, I think， was ________ you had turned a deaf ear to your mother’s advice.（精品文档请下载）
A。 for which； because B。 why； that C. which； because D。 that； why（精品文档请下载）
10. I ___ you a more valuable present for your birthday, but I was short of money at that time.（精品文档请下载）
A. must have bought B。 should have bought C。 had bought D。 would buy（精品文档请下载）
11. If he _____ well for his lessons yesterday， he _____ so many difficulties now.（精品文档请下载）
A. had prepared； wouldn’t have B. had prepared； wouldn't have had （精品文档请下载）
C。 prepared； wouldn’t have D。 prepared； wouldn’t have had（精品文档请下载）
5。 It was on a cold winter night ____ Tom was waiting for his girlfriend to see a movie with him ________ the accident occurred.（精品文档请下载）
A. that; that B。 when； that C. when； who D. which; where（精品文档请下载）
6. While crossing the mountain area， _______ lest they should be attacked by wild animals。（精品文档请下载）
A。 all the men carried guns B. guns were carried by all the men（精品文档请下载）
C. it was necessary to carry guns D。 carrying guns was necess