在英语语法中，虚拟语气是一种特殊的表达方式，用于表示与事实相反的情况或假设性的情况。掌握虚拟语气对于提高英语写作和口语能力非常重要，尤其是在高考中，这类题目往往占有一席之地。以下是一些针对高考设计的虚拟语气练习题，帮助同学们更好地理解和运用这一语法点。
练习题
1. If I ______ (be) you, I would take the opportunity.
A. am
B. were
C. was
D. is
2. She insisted that she ______ (go) with us.
A. goes
B. went
C. go
D. will go
3. It is high time that we ______ (start) our work.
A. start
B. starts
C. started
D. will start
4. Without your help, we ______ (fail) the exam.
A. would have failed
B. had failed
C. will fail
D. fail
5. He suggested that we ______ (meet) earlier the next day.
A. meet
B. met
C. meets
D. will meet
6. If it ______ (rain) tomorrow, the picnic would be canceled.
A. rains
B. rained
C. were to rain
D. had rained
7. If only I ______ (know) the truth earlier!
A. knew
B. know
C. had known
D. have known
8. They talked as if they ______ (be) old friends.
A. were
B. are
C. had been
D. would be
9. If he ______ (work) harder, he could have passed the exam.
A. worked
B. had worked
C. works
D. has worked
10. Without your advice, I ______ (make) a wrong decision.
A. would make
B. would have made
C. made
D. makes
11-50题省略（具体题目可以根据需要补充）
解析与答案
1. B. 虚拟条件句中，主语是第一人称时，谓语动词用“were”。
2. C. insist后接宾语从句时，从句中的谓语动词要用“should+动词原形”，其中should可以省略。
3. C. “It is high time that...”结构中，从句中的谓语动词常用过去式。
4. A. 表示与过去事实相反的假设，主句用“would have+过去分词”。
5. A. suggest后接宾语从句时，从句中的谓语动词要用“should+动词原形”，其中should可以省略。
6. C. 表示将来可能发生的假设，用“were to+动词原形”。
7. C. if only引导的句子通常用过去完成时，表示对过去情况的遗憾。
8. A. 表示与现在事实相反的假设，主句用“would+动词原形”。
9. B. 表示与过去事实相反的假设，从句用“had+过去分词”。
10. B. 表示与过去事实相反的假设，主句用“would have+过去分词”。
通过这些练习题，大家可以更好地理解虚拟语气的各种形式及其使用场景。希望同学们能够在高考中灵活运用虚拟语气，取得优异的成绩！
