与过去事实相反的虚拟语气

与过去事实相反的虚拟语气
 
请看下面的题目：
—If he __________，he __________ that food.
—Luckily he was sent to the hospital immediately. http://yingyu.chazidian.com
A. was warmed，would not take                B. had been warmed，would not have taken
C. would be warmed，had not taken           D. would have been warmed，had not taken
此题应选 B。该题考查与过去事实相反的虚拟语气：此时条件从句的谓语用 had+过去分词，主句的谓语用 would(should，could，might)+have+过去分词(http://yingyu.chazidian.com)：
1. If she had worked harder，she __________.
A. would succeed                                      B. had succeeded
C. should succeed                                     D. would have succeeded
2. If my lawyer ________ here last Saturday，he _________ me from going.
A. had been; would have prevented              B. had been; would prevent
C. were; would                                          D. were; would have prevented 
3. I didn’t see your sister at the meeting. If she __________，she would have met my brother.
A. has come                                             B. did come 
C. came                                                   D. had come
4. You didn’t let me drive. If we ________ in turn，you
__________ so tired.
A. drove; didn’t get                                  B. drove; wouldn’t get
C. were driving; wouldn’t get                    D. had driven; wouldn’t have got
答案：1. D 2. A 3. D 4. D