九年级英语if引导的条件状语从句.docVIP

. . if引导的条件状语从句 If winter comes, can spring be far behind?(条件 if winter comes，结果spring can’t be far behind) 如果。。。只要。。。 If we don’t lose heart, we will find a way out. If we keep trying, we will succeed. 条件状语从句 连词：if , unless, in case , as long as 例如These skills will be useless unless you carry them out. 例如You ‘d better take your umbrella in case it rains. 例如as long as you work hard enough, an iron rod can be ground into a needle. 例如:if teacher comes, I will wake you up. （主将从现） If teacher comes, you can’t sleep any more. (主情从现) 例如: if you don’t go with me , I will go alone. 例如:”Miss me”or “Hate me”, Both are in my favor. If you miss me, I will always be in your heart. If you hate me, I will always be in your mind. 用?法 例?句 ①?主句为一般将来时态，if从句用一般 现在时态（即主将从现）。 We will stay at home if it rains tomorrow. 如果明天下雨，我将要呆在家。 ②?主句中含有情态动词，if从句用一般现在时态。(主情从现) If you finish your homework, you can go home now.如果你做完了作业，你现在可以回家了。 ③?主句为祈使句，if从句用一般现在时态。 Don’t jump into the river if you feel very hot.??如果你感到很热，不要跳入河里。 ④?主句为过去将来时，if从句用一般过去时态（如果涉及到be动词，一律都用were）。此时，表达的是和现实相反的推测，用虚拟语气。 If I were you, I wouldn’t do it like that. 如果我是你，我就不会那么做的。 If you gave me some money, I would be very happy.??如果你给我一些钱，我就会很高兴的。 一.单项选择（15分）（）1.If you _____ to the party, you’ll have a great time??? A. will go? B. went? C. go?? D. going（）2. It will be a long time ____ Peter _____ his work.?A. since, has finished?????? B. after, finishes?? C. when, will finish??????? D. before, finishes.（）3. What will father _____ us from Japan???? A. take?? B. bring?? C. carry?? D. make?（）4. Weifang is famous ______ kites???? A. for?? B. to?? C. on?? D. with（）5． I ____ her the answer if she ____me.?A. can tell, will ask????? B. will tell, will ask?? C. would tell, ask?????? D. will tell, asks（）6. – What are you going to do tomorrow?? --We’ll go to the library tomorrow if it ___.?A. isn’t rain? B. rain?? C. won’t rain? D. doesn’t rain（）7.—Do you know when he will come back tomorrow?--Sorry, I don’t know. When he ____