if條件狀語從句_復(fù)習

1、If 引導的引導的條件狀語從句條件狀語從句(復(fù)習復(fù)習)用法：1. 主主將將從從現(xiàn)現(xiàn) If it rains（從句），（從句）， I will stay at home. Ill go with you if you dont want to go alone（從句）（從句）. 2.主主情情從從現(xiàn)現(xiàn) If you drive too fast, you may have an accident. You must stop if the traffic is red.3. 主主祈祈從從現(xiàn)現(xiàn) Dont go and play football if you dont finish your hom

2、ework. Please call me if he comes next Sunday. 1.主祈從現(xiàn)主祈從現(xiàn) 2.主將從現(xiàn)主將從現(xiàn) if ,will/wont 3.主情（主情（can，may，should，must）從）從現(xiàn)現(xiàn) If you feel tired must .1. Can you tell me if she can come to the meeting ?2. She will not go there , if it is rainy tomorrow.3. I cant guess if she will be angry .4. If we help each

3、other , we both will get good results .If 在賓語從句中翻譯為在賓語從句中翻譯為“是否是否”If 在條件狀語從句中翻譯為在條件狀語從句中翻譯為“如果如果”Ill go to see you if I am free next week. I want to know if he is a teacher.whether1. if 在句中的含義不同在句中的含義不同2. if 在從句中的位置不同在從句中的位置不同If 引導的賓語從句放在主句之后；而引導的賓語從句放在主句之后；而if引引導的狀語從句可放在主句之前也可放在主導的狀語從句可放在主句之前也可放在主句

4、之后句之后= If it doesnt rain, I will go out tomorrow.I will go out tomorrow if it doesnt rain.I dont know if the train has arrived. If 引導的條件狀語從句放于句首時多用逗號隔開；引導的條件狀語從句放于句首時多用逗號隔開； 而而if引導的賓語從句則不能。引導的賓語從句則不能。3. 時態(tài)要求上有區(qū)別時態(tài)要求上有區(qū)別If 引導條件狀語從句的時態(tài)為一般現(xiàn)在時引導條件狀語從句的時態(tài)為一般現(xiàn)在時 記住記住“主將從現(xiàn)主將從現(xiàn)” 1.I want to know if there a

5、sports meeting next month.doesnt rainwill be2.If it , well hold it.If 引導的賓語從句的時態(tài)由主句及本身時引導的賓語從句的時態(tài)由主句及本身時態(tài)決定；態(tài)決定；練一練：1。如果你請求他，他會幫你的If you _him, he _ _you2。如果她早點兒起床，就有時間在家里吃早餐 If she_ _a little earlier, shell have time to eat breakfast at home.3。如果你參加聚會，你將會過得很開心。If you_ the party ,you_ _ a great time.

6、4。如果明天下雨，我們將不去野餐If it _tomorrow, we _ _ for a picnic.5。如果你經(jīng)常聽英文歌，你將會喜歡英語If you often _ _English songs, you_ _English. 二、選擇題：二、選擇題：( ) 1. If you _ him, he will help you. (2009 海南中考) A. asked B. ask C. will ask( ) 2. I will stay at home if it _ tomorrow. (2007 海南中考) A. rain B. rains C. will rain( ) 3.

7、 If she _ hard, She will go to Beijing University. A. study B. will study C. studies( ) 4. If he_ here tomorrow, Ill meet him. A. come B. will come C. comes( ) 5. If she likes it, she _it soon. A. read B. reads C. will read ( ) 6. If I _much money in the future, I will travel all over the world. A.

8、have B. has C. will have三、用所給詞的正確形式填空。三、用所給詞的正確形式填空。1. If he_ (not, do ) it, I_ (do) it.2. If you _ (be) late for school , my teacher _ (be) angry.3. we _(be) happy if she_ (win) the prize .4. If I _ (not, eat ) so much , I _(get) thinner.5. I _ (not play) soccer if it _( rain).6. He _(watch) TV if

9、he _(be) free.【2011陜西】24. If there no buying and selling of animals, there no killing in nature. A is; will he；B. will be; will be C. is; is D.will be; is【2011黑龍江綏化市】Im waiting for my friend. , Ill go shopping alone.If she comes B. If she wont come C. If she doesnt come【2011雅安】10.The students _ have

10、 a sports meeting this weekend if it _。A. wont; rains B. will; rains C. wont; will rain D. are going to; is going to rain【2011重慶江津】12.If she here tomorrow, I will tell you.A. comes B. will come C. come D. came【2011黑龍江齊齊哈爾】13. Im waiting for my friend. , Ill go shopping alone. If she comes B. If she

11、doesnt come C. If she wont come【2011山東泰安】14. Tom wants to know if you will have a picnic tomorrow. Yes. But if it _, well play chess instead.A. will rain B. rained C. is raining D. rains【2011山東濰坊】15. If Tom _ the game, well give him a surprise.A. win B. wins C. won D. winning有關(guān)有關(guān)if引導的狀從考點引導的狀從考點1、主將

12、從現(xiàn)主將從現(xiàn)If it _(rain) tomorrow, I_ (go) out.2、If的兩種意思（如果的兩種意思（如果是否）是否）I want to know if he _(come) tomorrow, if he _(come), I _(give) the message to him. 3、If 的同義句改寫請觀察下列句子：If you get up early, you will catch the bus._ _ _, and you will catch the bus.If you dont study hard, you will not pass the exam._ _，or you will not pass the exam.從上題我們可以看出，if引導的條件狀語從句是可以改寫成“祈使句+and +主句”，此處的and 表示順接。If I sleep all the time,