2022年新版外研初中英语主将从现详细讲解与练习 .pdf

主将从现定义：主将从现是指在 时间状语从句和条件状语从句 中，如果主句是一般将来时，从句用一般现在时替代一般将来时。引导条件状语从句的词if :If you ask him, he will help you. unless :I ll go there tomorrow unless it rains. 引导时间状语从句的词when , while , before , after , untill , till , since , as soon as , 1. 主将从现主句是一般将来时，从句用一般现在时。When I grow up, Ill be a doctor.If you go to the party, you will be happy. 2. 主祈从现主句是祈使句，从句用一般现在时。Dont laugh at me when I make a mistake.Put it in your diary before you forget. 用记事本记下免得忘了。3.主情从现主句中含有情态动词，从句用一般现在时。You should be quiet when you are in the reading room. A baby deer can stand as soon as its born. 小鹿一生下来就能站着。You can get a better job if you speak a foreign language. 要是你会说一种外语，那你就会找到更好的工作。通常出现情况1. “主将从现”见于时间状语从句As soon as I get through with my work I ll join you. 我工作一做完就来找你们。Before they drive any of the buses, they will have to pass a special test. 然而在驾驶公共汽车前 ,他们必须通过专门测验。My mother will be very angry with me when she finds out where I ve been. 我母亲要是知道我到过那地方一定会大怒。精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 1 页，共 4 页Well pay you half up front and the other half when you ve finished the job. 我们先付给你一半钱，剩下的一半等你干完了再付。2. “主将从现”见于条件状语从句If (it is) necessary I will come at 6. 如有必要，我 6 点钟来。If today is Wednesday, the day after tomorrow will be Friday. 今天要是星期三，后天就是星期五。If you train hard, you ll make a good footballer. 你要刻苦训练就能成为优秀的足球运动员。If past experience is anything to go by, the plane will be late. 过去的经验要是还靠得住的话，这飞机会晚点的3. “主将从现”见于让步状语从句We ll go even if it rains. 即使下雨我们也去。He ll come even if he s i11. 他即使生病也会来。Even if he had the money, he wouldn t buy it. 他即使有钱也不会买它。He ll probably say no, though it s worth trying. 他很可能不同意，但不妨去试探一下【Exercise 】1. If I come, I _ ( see ) you. 2. If it is fine, we_( go ) for a walk. 3. If it rains, they _ ( stay ) at home. 4. You will spoil it if you _ ( not be ) careful. 5. We will be very much pleased if you _( come ). 6. Will you help me if I _ ( need ) you. 7. They will get wet if it _ ( rain ). 8. We will answer if we _( can ). 9. If you eat too much, you _( get ) ill. ( ) 10. -What will Bill do if he _in the test?-He will try again. A. fail B. fails . will fail D. is failing ( ) 11. Please tell her the news when she_. OK, I will. A. comes B. will come. C. come D. would come ( ) 12. The students will plant trees if it _ tomorrow. A. didnt rainB. hasn t rained C. won t rain D. doesnt rain( ) 13. We_ home if there is no bus. -Oh, what a pity! 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 2 页，共 4 页A. will walk B. have walked C. walked D. walk ( ) 14 .If it _ tomorrow, Ill go by car.A. rain B. will rain C. rains D. would rain ( ) 15.If Mary_next Sunday, we will go boating together. A. will come B. comes C. shall come D. shouldcome ( ) 16. - Don t forget to ask him to write to me. - I won t. As soon as he_, Ill ask him to write to you.A. will come B. came C. comes D. is coming ( )17. - Can I go to Beijing for my holiday, Dad? - You can when you _ a bit older. A. will get B. get C. are getting D. got ( )18. If he _harder, he will catch up with us soon. A. study B. studies C. will study D. studied ( )19. 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 【拓展练习】（）1. If you want to learn English well, you must use it as _ as possible. A. often B. long C. many D. soon （）2. -What will Bill do if he _in the test? -He will try again. A. fail B. fails C. will fail D. is failing ( ) 3. Please tell her the news when she_. OK, I will. A. comes B. will come. C. come D. would come ( ) 4. The students will plant trees if it _ tomorrow. A. didnt rain B. hasn t rained C. won t rain D. doesn t rain( ) 5. We_ home if there is no bus. -Oh, what a pity! A. will walk B. have walked C. walked D. walk ( ) 6 . If it _ tomorrow, Ill go by car.A. rain B. will rain C. rains D. would rain ( ) 7. If Mary _ next Sunday, we will go boating together. A. will come B. comes C. shall come D. should come ( )8. - Dont forget to ask him toto me. - I won t. As soon as he _, Ill ask him toto you.精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 3 页，共 4 页A. will come B. came C. comes D. is coming ( )9. - _ the young girl _ the old man clean his room every day? - Yes, she does. A. Does; help B. Has; helped C. Did; help D. Do; helps ( )10. - What does Linda often do in the evening? - She often _ her homework, but on the evening of March 12 she _ TV. A. does; watches B. is doing; watched C. does; watched D. is doing; was watching ( )11. Our geography teacher told us yesterday that the earth _ around the sun. A. was moving B. moved C. has moved D. moves ( )12. - Do you likesilk dress? - Yes, I do. It _ so soft and comfortable. A. is feeling B. feels C. has felt D. is felt ( )13. - Can I go to Beijing for my holiday, Dad? - You can when you _ a bit older. A. willnbsp; B.nbsp; C. are getting D. got ( )14. If he _harder, he will catch up with us soon. A. study B. studies C. will study D. studied ( )15. 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 ( ) 16. When will you tell him the good news? -I will tell him about it as soon as he _ back. A. comes B. came C. will come D. is coming ( ) 17. _ me carefully, boys and girls. Can you _ me? A. Listen to; hear B. Hear; listen to C. Hear; hear D. Listen to; hear from ( ) 18. It wont _ them much time to fly to Beijing from Shanghai. A. spend B. use C. take D. pay ( ) 19. Do you like the music the Moonlight Sonata? -Yes, it _ really beautiful. A. feels B. sounds C. listens D. hears 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 4 页，共 4 页