lesson2

English Intensive Reading

吉林大学远程教育学院

Introduction

Text

Language Points

Grammar

Lesson 2 Grammar ( Page 1)

虚拟语气在条件从句中的用法

1. 虚拟语气在表示与现在事实相反的条件句中的用法。其中，条件从句和结果主句各自的动词形式如下：
条件从句： If I (we, you, he, they) +动词过去式…,(be的过去式用were)
结果主句： He (You, They) would + 动词原形.或 I (we) should + 动词原形.
1) If I were you, I should go and see the doctor.
如果我是你，我会去看医生。
2) If they had time, they would study English.
如果他们有时间，他们会学英语。
3) He would tell me if he knew, but he does not
know anything about it.
假如他知道的话，他会告诉我的，但他一点也不知道。
2. 虚拟语气在表示与过去事实相反的条件句中的用法。其中，条件从句和结果主句各自的动词形式如下：
条件从句： If I (we, you, he, they) + had + 过去分词…,
结果主句： He (You, They) would + have + 过去分词. 或 I (we) should + have + 过去分词.
1) I should have died if the policeman had not come.
如果警察不来的话，我就死了。
2) If you had come a few minutes earlier, you would have met him.
要是你早来几分钟的话，你就会见到他。
3) If she hadn’t been so strict with herself, she wouldn’t have made such great progress.
她要是对自己要求不严格，她就不会有这样大的进步。
3. 虚拟语气在表示与将来事实可能相反的条件句中的用法。其中，条件从句和结果主句各自的动词形式如下：
条件从句： If I (we, you, he, they) +动词过去式…,(be的过去式用were)
结果主句： He (You, They) would +动词原形.或 I (we) should +动词原形.
1) If you dropped the glass, it would break.
杯子掉下来会打碎的。
2) If it were Sunday tomorrow, I would go to see my friends.
明天要是星期天，我会去看朋友。
3) What would happen if I put the paper on the fire?
我若把纸放在火上会怎么样？
在表示与将来事实可能相反的条件句中，也可以用 were to + 动词原形和 should ＋动词原形：
1)If you were to come tomorrow, I might have time to see you.
如果你明天来的话，我或许会有时间见你。
2) If it should rain tomorrow, what would we do?
明天万一下雨，我们怎么办？