加载中…郭老师讲初中英语语法：if引导的条件状语从句
(2010-08-08 08:47:45)
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郭老师初中英语语法if引导的条件状语从句教育 |
分类： 我讲语法 |
if引导的条件状语从句
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用 法 |
例 句 |
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① 主句为一般将来时态，if从句用一般 现在时态（即主将从现）。 |
We will stay at home if it rains tomorrow. 如果明天下雨，我将要呆在家。 |
|
② 主句中含有情态动词，if从句用一般现在时态。 |
If you finish your homework, you can go home now. 如果你做完了作业，你现在可以回家了。 |
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③ 主句为祈使句，if从句用一般现在时态。 |
Don’t jump
into the river if you feel very hot. |
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④ 主句为过去将来时，if从句用一般过去时态（如果涉及到be动词，一律都用were）。此时，表达的是和现实相反的推测，用虚拟语气。 |
If I were you, I wouldn’t do it like that. 如果我是你，我就不会那么做的。 If you
gave me some money, I would be very happy. |
【边学边做】用括号内所给词的正确形式填空。
1. What will you buy if you ________（have）a lot of money?
2. If it ________（not snow）tomorrow, we will feel unhappy.
3. You mustn’t go to school if you ________（be）still in bed.
4. If he _______（be）at home at that time, he would know it.
5. Please show me the way if you ________（know）it.
6. You will hurt your teeth if you ________（eat）too much candy.
7. If you gave me a toy car, I _________（be）very happy.
8. I would get the prize if I _________（work）hard.
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