Unit 6 Grammar--Task知识点详解 2023-2024学年牛津译林版九年级英语上册

Unit 6 TV programmes Grammar--Task知识点详解 Grammar 1. if, unless引导的条件状语从句 在if引导的条件状语从句中，符合以下原则： ★原则1：主将从现 主句是一般将来时，从句用一般现在时。 If my brother comes back, he will take me to the park. ★原则2：主情从现 主句含有情态动词can/may/might/must/should等，从句用一般现在时。 If you want to be healthy, you should keep a good diet. ★原则3：主祈从现 主句是祈使句，从句用一般现在时。 Don’t play with the knife if you don’t want to get hurt. 与其他句式之间的转换 (1) 借助“祈使句+and / or+ 一般将来时的句子”这一句型来转换。and在句意上表示顺承关系, or表示转折关系。If you get up early, you’ll get there on time. = Get up early, and you’ll get there on time. = Get up early, or you won’t get there on time. (2) 借助介词without或with来转换条件状语从句。 If there is no water, fish will die. = Fish will die without water. If you help me, I’ll finish the work soon. = With your help, I’ll finish the work soon. (3) if…not 引导的条件状语从句, 可以借助连词unless来改写。 You will be late if you don’t go there by bus. = You will be late unless you go there by bus. 【举一反三】 1.Mum says ________ I do my homework now, I can watch a movie tonight. A. while B. before C. if D. until 【答案】C 2.You will succeed finally ______ you give up halfway. A. because B. unless C. though D. since 【答案】B 3. Helen, along with her brothers, ________ Xiangshan Park if it ________ tomorrow. A.is going to; isn’t rainy B. are going to; isn’t rainy C.is going to; won’t rain D. are going to; doesn’t rain 【答案】A 4. Our dream will come true some day ________ we keep trying and never give up. A. although B.so that C. even though D.as long as 【答案】D 5.You will miss the bus ________ you hurry up. A. if B. or C. unless D.so 【答案】C 6. According to the traffic rule, people aren’t allowed to ride e-bikes ________ they wear helmets. A. if B. unless C. since D.as 【答案】B 7. —I hear you are going to visit Disneyland next month. May I go there with you? —I’m afraid not, ________ you have a ticket. A. if B. unless C. until D. as soon as 【答案】B 8.We can get over the trouble ________ we depend on our own country. A.as much as B.as far as C.as soon as D.as long as 【