Question

英语要详细答案，谢谢

1.—He is a very brave man.
—Yes. I wish I_______ his courage.
A.have B.had C.will have D.would have
2. When a pencil is partly in a glass of water, it looks as if it__________ .
A.breaks B.has broken C.were broken D.had been broken
7. It is suggested that our plan for the project ________as soon as possible.
A. is changed B. be changed C. must be changed D. will be changed
13. How I wish I ____ to reapair the watch! I only made it worse.
A. had tried B. hadn't tried C. have tried D. didn't try
14.He demanded that the laboratory report ___ immediately after the experiment was done.
A. was written B. be written C. must be written D. would be written
15.The man insisted that he _____ there.
A. should send B. would be sent C. sent D. be sent
17.If it ___ tomorrow, what would we do?
A. rains B. were to rain C. would rain D. rain
18.It is required that you ____ at six.
A. will arrive B. arrive C. arrived D. would arrive
20.He spoke in a quiet, distinct voice, as though his thought _____.
A. was far away B. had been far away C. were far away D. went far away.

Answer 1

1. B
wish引导的宾语从句，如果是对现在的虚拟，则使用一般过去时。

2. C
as if引导的表语从句如果使用虚拟语气，且如果主句从句动作同时进行的话，则从句使用一般过去时，be动词用were.

7. B
be suggested“建议”引导的主语从句必须使用虚拟语气，即从句谓语动词由“should + 动词原形”构成，其中should可以省略。
即B be changed = should be changed

13. A
wish引导的宾语从句，如果是对过去（后面有made）的虚拟，则从句使用过去完成时。

14. B
demand引导的宾语从句使用虚拟语气，从句谓语动词由“should + 动词原形”构成，其中should可以省略。
即B be written = should be written

15. D
insist意思是“坚持要求”时，其后的宾语从句必须使用虚拟语气：从句谓语动词由“should + 动词原形”构成，其中should可以省略。
即D be sent = should be sent

17. B
if引导的条件状语从句如果使用虚拟语气，且是对将来的动作（后有tomorrow）虚拟的话，则if从句的谓语可用由“were to do sth”构成。

18. B
be required所引导的主语从句必须使用虚拟语气，从句谓语动词由“should + 动词原形”构成，其中should可以省略。
即B arrive = should arrive

20. C
as if引导的方式状语从句如果使用虚拟语气，且主句从句动作同时进行的话，则从句使用一般过去时，be动词则一般改用were.

Answer 2

1.B 虚拟语气，过去时表示对现在情况的虚拟。
2.C 理由同上
7.B it is suggested that + (should)be done
13.A had +done 表示对过去事情的虚拟
14.B demand that + (should)+动词原形
15.D insist + 动词原形
17.A 对将来天气情况的猜测用现在时就可以了
18.B require+ (shoule)+动词原形
20.B 对过去情况的虚拟，此处有as though 的用法。
虚拟语气的用法