英語中的條件句分為真實條件句和虛擬條件句，而真實條件句大體分為兩類：一類被稱作 “零類條件句”，用來陳述事實或真理。這類句子翻譯成漢語大多是 “如果……，就……”；另一類叫作 “第一類條件句”，用來談論未來可能發生的事情，常見句式的漢語翻譯是 “如果……，那就會……”。真實條件句的主句什么時候用一般現在時，什么時候用將來時？做下面的小測驗，看你能不能清楚分辨英語真實條件句的用法。

1. If you want to pass your exams, you _______ lots of revision.

a) will do

b) will have done

c) need to do

d) will have

2. If I can upload the files, I _______ them to you by email.

a) send

b) will send

c) will be sending

d) will have sent

3. You will get fined if you _______ the speed limit on the motorway.

a) exceed

b) will have exceeded

c) are going to exceed

d) will be exceeding

4. If I don't set my alarm to wake up at 7am, I _______ to work on time.

a) won't have been

b) won't get

c) won't have got

d) won't be

5. If you don't hurry up and pack your suitcase, _______ our flight.

a) we'll have missed

b) we'd have missed

c) we'll have been missing

d) we'll miss

6. I'll take you with me to Cape Town - if _______ enough money this month.

a) I'll make

b) I make

c) I'll have made

d) I made

7. When I've installed the computer system, you _______ it right away.

a) can start using

b) will be starting to use

c) started using

d) will have started to use

8. When the sun is shining, people _______ usually in a better mood.

a) being

b) will be being

c) are

d) will be

答案

1) c, 2) b, 3) a, 4) b, 5) d, 6) b, 7) a, 8) c.