词汇知识梳理:动词7

时间和条件状语主句是将来时，从句中一般不能用将来时态，而用现在时态代替。

　　Liping will let you have the book when he is through.(主动语态里let后面再出现动词省略to)

　　We shall help you if you ask us.

　　I'll ask my mother as soon as she comes.

　　It will be six years before we meet again.

　　She will miss the train unless she hurries up.

1. No matter how much _______， it well be worth it.

　　A. will the watch cost B. the watch will cost

　　C. does the watch cost D. the watch costs

　　状语从句主句将来时从句用一般现在时。

　　how much+主语+谓语

　　单问表的价钱：How much does the watch cost?

　　答案 D

2. Although he promised to change， I'm still wondering when he ______ able to put his heart into his studies.

　　A. was B. will be C. be D. were

　　be able to do

　　选项C中when是时间状语从句，谓语不直接跟系动词be.

　　答案 B

3. “Will Susan get her Ph.D.?”

　　“It is likely that she _______.”

　　A. will B. does C. will do it D. gets it

　　用将来时直接用将来时回答即可。

　　答案 A

4. “Did you visit Grace last summer?”

　　“No， but I ______ her over the Christmas vacation.”

　　A. will see B. be seen C. have seen D. have been seeing

　　答案 A

5. Mr. And Mrs. Zhang are going to Brazil next week and they _______ to Mexico later in the month.

　　A. will go B. would go C. went D. have gone

　　答案 A

6. “Are there going to be many people at your party today?”

　　“We hope that _________.”

　　A. there will be B. there is C. there are D. there are going to

　　答案 A

7. “When will the plane arrive?”

　　“I'll tell you when I _______.”

　　A. will find out B. find out

　　C. am finding out D. have been finding out

　　时间状语从句和条件状语从句中主句为将来时则从句用一般现在时。

　　find out 查出原因

　　find 发现 look for 寻找

　　答案 B