1. Jean Wagner’s most enduring contribution to the study of Afro-American poetry is his insistence that it _______________ in a religious, as well as worldly, frame of reference.
A. is to be analyzed
B. has been analyzed
C. be analyzed
D. should have been analyzed
2. I would have gone to visit him in the hospital had it been at all possible, but I ____ fully occupied the whole of last week.
A. were B. had been
C. have been D. was
3. I apologize if I__________you, but I assure you it was unintentional.
A. offend
B. had offended
C. should have offended
D. might have offended
4. If you hadn’t taken such a long time to get dressed, we’d_____________there by now.
A. be B. circles C. is circling D. be circling
5. The sun rises in the east and sets in the west, so it seems as if the sun ________round the earth.
A. were circling B. circles
C. is circling D. be circling
6. If the Watergate Incident ________ Nixon would not have resigned from the presidency.
A. did not occur B. had not occurred
C. was not occurring D. be circling
7. I hadn’t expected James to apologize but I had hoped_________ .
A. him calling me
B. that he would call me
C. him to call me
D. that he call me
8. George would certainly have attended the proceedings_________.
A. if he didn’t get a flat tire
B. if the flat tire hadn’t happened
C. had he not had a flat tire
D. had the tire not flattened itself
9. The teacher suggested that her students___________experiences with ESP.
A. write a composition on their
B. to write composition about the
C. wrote some compositions of his or her
D. had written any compositions for his
10. He speaks Chinese as fluently as if he ______a Chinese.
A. were B. had been C. is D. has been
参考答案：
1.解析：（C）在表示要求、愿望、建议、请求、命令等含义的名词同位语从句中，从句谓语动词要用虚拟语气形式，即should(可以省略) 动词原形。
2.解析：（D）本道题目的前半句话是对过去情况的一种假设，但事实上并没有发生，而事实上没有发生的真实原因是句子的后半部分由but 引导的转折句所表述的真实。因而but 所引导的句子中应该用表示和过去事实相符合的表陈述的时态，即一般过去时。
3.解析：（B）此题要求在if 从句中选择适当的动词形式，以主句中的动词apologize(抱歉)来看，if 从句中表达的内容应该是过去做的事，因此可以排除（A），因为（A）是现在时。（C）中should have 过去分词结构表示本来应该做却没有做的事，在此不合题意。（D）选项中的might have 过去分词表示对过去发生的事情很不肯定的猜测，它表达的内容还不能成为事实，所以藉此道歉真是不知从何说起，因此此处也不合题意。（B）had offended 表示当时已经发生了的动作。这是复杂条件句：apologize 是现在，而条件句是表示对过去假设的条件句。
4.解析：该句也是一个复杂条件句（或称作混合虚拟条件句）。条件句表示对过去情况的假设，而主句表示对现在情况的假设，但事实上却与此相反，所以正确答案应该是（A）。
5.解析：if 引导的从句要求用虚拟语气，表示同时或将来的情况，动词要用过去式（be 动词用were）或would(could 等) 动词原形，本句话中指的是当时的情况，所以要用过去式，故（A）是正确答案。
6.解析：（B）had not occurred 表示对过去的虚拟，条件句中要用过去完成式，主句中要用
should(would, could, might) 动词原形的过去分词。
7.解析：（B）had hoped 是常见的要求其后的宾语从句用虚拟语气的句型,虚拟语气would 动词原形。
8.解析：表示对过去情况的假设，主句动词形式为would(should, could, might) have 过去分词，条件句为过去完成式，if 可以省略，但要把had 提前主语前面。（B），（D）的表达不符合英语表达习惯，所以（C）是正确答案。
9.解析：（A）suggest 后面的从句要用虚拟语气形式，其形式为should（可以省略） 动词原形。
10.解析：（A）．表示与现在相反的虚拟。
