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课件网) 2022/09/16 Module 5-6 状语从句（2）+禁止结构 习题复习课件 “if从句十祈使句”结构 (1)if引导的条件状语从句既可以放在主句即祈使句之前,也可放在主句之后。 【例】 If you want to know more about the trip, please call me. = Please call me if you want to know more about the trip. 你如果想更多地了解这次旅行,请给我打电话。 (2)作为主句的祈使句,既可以使用肯定形式， “if从句十祈使句”结构 (2)作为主句的祈使句,既可以使用肯定形式，也可以使用否定形式。 【例】If you feel uncomfortable ,stay at home. 你如果感觉不舒服,待在家里。 If you attend a meeting, don't take your phone. . 你如果参加会议,就不要带手机。 “if从句十祈使句”结构 (3)“if条件状语从句+祈使句”这种结构可用 来表达建议。 【例】If you do not feel well, please go to see the doctor. 你如果感到不舒服,请去看医生吧。 遵循原则 (1)如果主句用一般将来时,if从句应用一般 现在时表示将来。 【例】If he doesn't work hard, he will fail his exams. 他如果不努力学习,考试就会不及格。 遵循原则 (2)如果主句是祈使句或含有情态动词的句子,if从句应用一般现在时。 【例】If you see him, give him this note. 你要是见到他,就把这个便条给他。 If it stops snowing, we can go out for a walk. 如果雪停了,我们就可以出去散步。 If you want to lose weight, stop eating so much meat. 你如果想减肥,就停止吃如此多的肉。 区别 if既可以引导条件状语从句,也可以引导宾语从句。 if 引导条件状语从句时意为“假如,如果”,引导宾语从句时意为“是否”， 同whether; if引导条件状语从句时,主句用一般将来时,条件状语从句中用一般现在时 代替一般将来时;引导宾语从句时,时态根据时间状语来判断。 【例】I don't know if he will come tomorrow , but if he comes,I'll let you know. 我不知道他明天是否会来，但如果他来的话,我会让你知道的。 if引导条件状语从句和引导宾语从句的区别: Module 5-6状语从句复习 1.（2022.西藏）Chinese soldiers often help people in trouble,_____ they know it is dangerous. A. so B. although C. but D. because 2.(2022.山东青岛) As a policeman, Tom's father is too busy to play with him _____he expects to. A. even though B. so that C.as soon as. D. as long as 3.- --The TV play a lifelong Journey(《人世间》) is wonderful. --I think so. I want to enjoy it again _____I've watched it once. A. until B. since C. though D. if Module 5-6 状语从句复习 4.--Do you think we should share our problems with our parents -Sure! _____ we talk to them, we will feel worse. A. If В. Although C. Because D. Unless 5. -The students of Grade 9 in Changchun have to take part in the P.E. test from 2016. --Yes. _____ you want to pass it and be stronger, practice more. A. Until B. If С. Unless D. Or Module 5-6 状语从句复习 6.(2022.河北保定)_____ these books are expensive, she still wants to buy them. A. Until B. Though C. Unless D. When . 7. _____ He has little knowledge, the old worker has a lot of experience. A. Although B. Because C. If D. While Module 5-6 状语从句复习 8.(2022.湖北襄阳.)--Can we put off the work till tomorrow --But our boss said that we had to finish it today_____how long it took. A. as if B. no matter C. even though D. ev ... ...
