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  • 2021-10-12 发布

仁爱版英语八年级下册《if引导的条件状语从句》讲解练习

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名师讲解:if 引导的条件状语从句 用 法 例 句 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。 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. 如果你感到很热,不要跳入河里。 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. 如果你给我一些钱,我就会很高兴的。 【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. 参考答案: 1 have 2 doesn’t 3 are 4 were 5 knew 6 were to eat 7 would be 8 worked