大家好,乐天来为大家解答以下的问题，关于主将从现是什么语态，主将从现什么时候用这个很多人还不知道,现在让我们一起来看看吧！
1、在复合句中，由when ,as soon as ,after ,before ,until , unless等引导的时间状语从句和由if 引导的条件状语从句，都符合“主将从现”的原则，即主句是一般将来时（或用一般现在时表示一般将来时的意义），从句要用一般现在时。
2、这是历年中考的考查热点。
3、 ①一般将来时 ②一般现在时 will do am/is/are am /is/are going to do do/does 例：I’ll go to the zoo if it ________ tomorrow.A. doesn’t rain B. will rain C. rains D. won’t rain (2005年甘肃省)答案：A I’ll give the note to her as soon as she back.(come)答案：comes中考链接：（下面这些题都是2004和2005年各省市的中考题）1. If he _______ harder, he will catch up with us soon. A. study B. studies C. will study D. studied (2004年北京市)2. We’ll go to visit Tian’anmen Square ________ it doesn’t rain tomorrow. A. if B. as soon as C. when D. since (2004年河北省)3. – Do you know if we will go to the cinema tomorrow? -- I think we’ll go if we _______ too much homework.A. will have B. had C. won’t D. don’t have (2004 年长沙市)4. Frank ______ to see his grandma if he ______ free tomorrow.A. will come, will be B. comes, is C. will come, is D. comes, will be (2004年吉林省)5. I am waiting for my friend. ________ , I will go swimming alone. A. If he doesn’t come B. If he won’t come C. If he will come D. If he is coming (2004年陕西省)6. – Will you come to the dinner party? -- I won’t come unless Jenny __________ .A. will be invited B. can be invited C. invited D. is invited (2004年安徽省) 7. Tomorrow is Sunday, Jim will go hiking with his friends if it __________ .A. isn’t rain B. doesn’t rain C. won’t rain D. don’t rain (2004年哈尔滨市)8. – How do you go to the zoo tomorrow? -- If it _________ tomorrow, I’ll go there by car.A. rains B. rain C. raining D. will rain (2004年甘肃省)9. Young man! If you _________ again, you’ll lose your job.A. will be B. were C. are D. have been (2004年南宁市)10. Can you play games with us when your homework _________ ?A. is finished B. will finish C. finish D. will be finished (2004年四川省资阳市)11. You will stay healthy ________ you do more exercises, such as running and walking.A. if B. how C. before D. where (2004年北京市海淀卷)12. I won’t believe that little Bob can run 100 metres in 15 seconds ______ I see it with my own eyes.A. until B. after C. when D. if (2004年黑龙江省)13. – I don’t know _______ he will come tomorrow. -- Don’t worry. _______ he comes, I’ll let you know.A. whether…If B. if …Whether C. when …Whether D. that… If (2004年安徽省芜湖市)14. – It’s 9 o’clock now. I must go. -- It’s raining outside. Don’t leave ______ it stops.A. when B. since C. while D. until (2005年北京市) 15. Frank _______ a film if he’s free next Saturday.A. see B. saw C. has seen D. will see (2005年北京市)16. If Mr Smith ________ back, please let me know.A. will come B. comes C. came D. had come (2005年宁波市)17. I don’t know if it ______ tomorrow. If it _________ , I will stay at home.A. will rain, rains B. rains, will rain C. will rain, will rain (2005年哈尔滨市)18. The sports meet will continue ________ it rains this afternoon.A. if B. since C. as soon as D. unless (2005年天津市)19. – I want to know when ______ have a field trip. -- We’ll have it when all the work ________.A. you are, will finish B. you will, finishes C. you will, is finished D. you will, is finish (2005年辽宁省)20. We won’t go to the park if it ________ tomorrow.A. rains B. will rain C. is raining (2005年青海省)答案：1.B 2.A 3.D 4.C 5.A 6.D 7.B 8.A 9.C 10.A 11.A 12.A 13.A 14.D 15.D 16.B 17.A 18.D 19.C 20.A 内容来源：《初中生学习技巧》。
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