A.could have slept B.slept
        C.might have slept D.have slept (1995.6)
        由于might表示"也许"，与这里的意思不合，只能用A。
        表示将来不可能实现的情况用would/might + 原形动词。
        How I wish you would be able to come here for another visit.
       
        ⑤ If only 表示愿望时与wish用法相同。再如：
        If only that photograph weren't missing.
        If only the letter had arrived in time.
       
        ⑥ would rather
        would rather的虚拟语气形式在这几年考查是最多的，有7道题，但would rather从句的时态规则并不复杂。
        如果表示与过去事实相反的情况用过去完成时，否则用一般过去时。在如以下各题：
        1) The manager would rather his daughter _____ in the same office.
        A.had not worked B.not to work
        C.does not work D.did not work (2000.6)
        2) To be frank, I'd rather you ____ in the case. (1995.1)
        A.will not be involved B.not involved
        C.not to be involved D.were not involved
        3) You don't have to be in such a hurry.I would rather you ____ on
        business first. (1998.1)
        A.would go B.will go C.went D.have gone
        4) Frankly speaking, I'd rather you ___ anything about it for the time being.(1999.1)
        A.didn't do B.haven't done C.don't do D.have done
        5) I'd rather you ____ make any comment on the issue for the time
        being.(1998.6)
        A.don't B.wouldn't C.didn't D.shouldn't
        答案为: 1) D 2) D 3) C 4) A 5) C)
       
        ⑦ It's (about/high) time that …
        该句型中一律用一般过去时，再如：
        "You are very selfish.It's high time you ____ that you are not the most important person in the world," Edgar said to his boss angrily.(1999.1)
        A.realized B.have realized C.realize D.should realize
       
        Self-practice
        下面请试做《语法分册》153-159页的相关题目。
       
        4．状语从句中的虚拟语气
        Test yourself
        状语从句中的虚拟语气主要指as if/though从句中的虚拟语气，首先请同学们做一下下面三道题：
        1) He walked past the pole and soldiers as if they ______.
        A.didn't exist B.don't exist C.hadn't existed D.were not existing
       
        2) He operates the new computer as if he _____ special training in it.
        A.has received B.had received C.would receive D.received
       
        3) They talked in such an uneasy manner as if something terrible
        ______soon.