Hadn’t置于句首。 考点：考查虚拟语气和倒装
4.【2017·天津卷】2. My room is a mess, but I __________clean it before I go out tonight. I can do it in the morning. A.
daren’t
B. shouldn’t
C. needn’t
D. mustn’t
【答案】C 【解析】
试题分析： 句意：我的房间很乱，但是在今晚我出去之前不需要打扫，我可以明天早晨再打扫。A.不敢；
B.不应该；C不需要；D.不许。根据句意，故选C。 考点：考查情态动词。
【名师点睛】情态动词主要考查句意和说话人的语气的强弱，这几个情态动词的否定形式意思各不相同，确定各自的含义，弄清它们的区别再结合上下文语境就不难理解了。 daren’t通常表示“不敢”，shouldn’t强调的是没有义务，必要性；needn’t表示“不需要”，mustn't 表示不许，语气比较强烈，它们之间有明显不同。 5.【2017·天津卷】15. —Do you have Betty’s phone number? —Yes. Otherwise, I ______able to reach her yesterday. A. hadn’t been 【答案】B 【解析】
试题分析：句意：——你有贝蒂的电话号码吗？——有。否则我昨天就联系不到她了。此处otherwise(否则)相当于一个if引导的条件状语从句，由yesterday可知本句对过去进行虚拟，由此可以判断出主句用wouldn’t have done，故选B。
2016年高考真题
1.【2016·北京】31. I love the weeend, because I ________ get up early on Saturdays and Sundays. A. needn’t B. mustn’t 【答案】A 【解析】
试题分析：题目考查情态动词。句意：我喜欢周末，因为周六和周日我不需要早起。A. needn’t不需要；B. mustn’t禁止；C. wouldn’t不愿；D. shouldn’t不应该。根据句意可知，周六、周日不用早起，故选A。 考点：考查情态动词
2.【2016·北京】34. Why didn’t you tell me about your trouble last wee? If you ________ me, I could have helped.
C. wouldn’t D. shouldn’t
B. wouldn’t have been
C. weren’t
D. wouldn’t be
A. told 【答案】B
B. had told C. were to tell D. would tell
考点：考查虚拟语气
3.【2016·江苏】27.If it for his invitation the other day, I should not be here now. A. had not been 【答案】A
B. should not be
C. were not to be D. should not have been
4.【2016·天津】5. It was really annoying; I _____ get access to the data ban you had recommended. A. wouldn’t B. couldn’t C. shouldn’t D. needn’t 【答案】B 【解析】
试题分析：句意：这真是令人心烦；我不能进入你推荐的数据库。wouldn’t不愿意；couldn’t不能；shouldn’t
不应该；needn’t不必。根据句意可知选B。
5.【2016·天津】15. I was wearing a seatbelt. If I hadn’t been wearing one, I ____. A. were injured C. had been injured 【答案】D 【解析】
试题分析：句意：我当时系着安全带。如果我没有系安全带，我就会受伤了。使用虚拟语气，根据if条件句用的had done，可知，主句用would have done表示对过去情况的虚拟，而且I和injure是被动关系。故选D。
6.【2016·浙江】15. Had the governments and scientists not wored together , AIDS-related deaths _______ since their highest in 2005.
B. would be injured D. would have been injured
A. had not fallen B. would not fall C. did not fall D. would not have fallen 【答案】D
【解析】句意：如果政府和科学家不共同努力，与艾滋病相关的死亡人数就不会从2005年的最高点下降。使用虚拟语气，if条件句用的had done，而且省略if，将had提前，主句用would have done表示对过去情况的虚拟。故选D。
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