subjunctive mood 小结&课后习题&真题
2009-10-08 11:05阅读：
subjunctive mood can be divided into two forms:be-subjunctive and
were-subjunctive.
be-subjunctive is realized by the base form of the verb.Whatever
the person of the subject, the verb takes the base form.
be-subjunctive is mainly used in 3 cases
1.remember four Chinese words
2.adverbial clauses introduced by'if, though, whatever, so long as,
whether,lest,etc.
3.in certain formulaic expression_r
were-subjunctive has only one form were.And it is used in certain
adverbial clauses and certain nominal clauses.
课后习题
_____(be) that as it may,our expenditure is bound to
increase.
答案：Be
解析：前半句可还原为as it may be that,
He is my best friend,my second self,as it____(be).
答案：were
解析：as it were结构中做so to speak解，即“宛如，好比”只能用were不用was.
It's essential that he____(be) here by tomorrow.
答案：be
It's ne
cessary that every member____ (inform)himself of these
rules.
答案：inform
解析：be-型虚拟用在essential,necessary等形容词之后的that-分句中，即不管主语是什么人称动词一律用原形。
I propose he_____(excuse).
答案：be excused
解析：propose表建议后跟be-型虚拟，而根据句意他被原谅应使用被动语态，所以是be excused.
If it_____(rain)tomorrow,the match would be postponed.
答案：were to rain
解析：看题可知这是were-型虚拟式用于由if引导的条件状语分句中，根据主句中would be可知从句中应使用were to
do.其中were可用was代替。
It's just struck midnight.It's high time we____(go)to bed.
答案：went
解析：用动词的过去时形式表示假设意义it is time(that)…为其中一例典型，表示是该什么什么了。
If only I____(keep)my mouth shut!
答案：kept
解析：if only结构用动词过去时形式表示假设意义
She insists on his taking his vacation now.
答案：She insists that he take his
vacation now.
解析：insist做坚决要求讲，转换为be-型虚拟.
如果你不听我的忠告，那就算了。
答案：If you do not listen to my advice,so be
it.
解析：be-型虚拟用于某些公式化语句中表示祝愿、诅咒、禁止等意义，so be it表示但愿如此/那就这样吧。
四级真题
I'd rather we____our lesson now.
A)have B)had C)should have
D)shall have
答案：B
分析：句意为 我宁愿我们现在就上课 用过去时表示对不可能发生的事情的希望。
_____their help,we wouldn't have succeeded.
A)Hadn't been for B)Had it not been for
C)It hadn't been for D)Hadn't it
been for
答案：B
分析:主句用would have done对应从句应是had
done,此题为省略了if得到装，故紧接主语的动词提前，其他成分不变，选B
The board deemed it's urgent that these files___right away.
A)had to be printed B)should have been printed
C)must be printed D)should be
printed
答案：D
分析：urgent表示急需的后的宾语从句应使用虚拟式，即should+动词原形。
She always put her medivation on the top of the shelf lest the
children____it by mistake.
A)took B)should take C)had taken
D)would take
答案：B
分析：lest以免的意思 后跟be-型虚拟式，加（should）动词原形
It is generally thought to be of necessity to a college student
that he ____at least one foreign language.
A)know B)knows C)would know
D)should have known
答案：A
分析：根据句型可知为be-型虚拟，后接动词原形。
Had the weather been good, the children _____ out for a walk.
A. had gone
B. could have gone C. would go
D. went
答案：B
分析：表示与过去的事实相反，前半句倒装，还原为if the weather had been……所以主句应用have
done.
Peter wishes that he _____ law instead of literature when he was in
college。
A. could study B. studied C. had
studied D. would study
答案：C
分析：表示过去没有实现的愿望用过去完成。
He talks as if he _____ everything in the world.
A. knows B.
knew C. had known D.would
have known
答案：B
分析：as if后的从句中，表示与现在事实相反或对现在的情况有所怀疑动词用一般过去式。
_____for a long time, the fields are all dried up.
A)There has been no rain
B)Having no rain
C)There having been no rain D)There being no
rain
答案：C
分析：for a long time可知应用完成时，前半部分应该是一个独立结构，所以A不能选，应为C
If you have never planted anything, you won't be able to know the
pleasure of watching the thing you have planted_____.
A.grow B.to grow C.growing
D.to be growing
答案：A
分析：watch后跟不带to的不定式，作宾语补足语。C选项有疑问。
经过这几周的语法学习，让我对被动语态和虚拟语气有了更深的了解，也对于曾经做错的题目有了更明晰的理解，语法学习因为是比较客观的教义，所以难免会有些枯燥，但是在攻克哪怕一个小小的疑问后，也会让人感觉清爽很多，就是这样一个一个小的难题攻克后，才能让我们今后可以更加流利准确的说出英文，写出精彩的英语文章，更加现实的是在专业考试中取得好的成绩，所以我们应该更加认真的学习语法。
