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课件网) Unit 10 If you come to my party, you’ll have a great time! Section A If 引导的条件状语从句 定义 条件状语从句表示主句动作发生的条件。 If “如果” 注意 主句时态 从句的时态 If引导的从句是一个完整的句子，一定要有主语 if 引导的条件状语从句: 1.意为“如果；假如”, 表示在某种条件下某事很可能发生。如: If the red light is on, wait a minute. 2. if 和条件句位置灵活，可放在句首,也可直接放在主句后面，若 if 条件句放句首，从句后面要加逗号，和主句隔开。如: Print the text if you like it. If you like the text, print it. If you want to turn on the recorder, press button A. Press button A if you want to turn on the recorder. A B C D E F II pause stop play fast play back play record --If you want to play， If you want to play back, If you want to record, --How do I play/ play back/record/…. press the green button. press the blue and red buttons. press the blue button. / in the library quiet / keep read books/ If you want to read books in the library, keep quiet. Join the sentences with if: your hands/put up /answer the question If you want to answer the question, put up your hands. If引导的条件状语从句，主语是祈使句，从句用一般现在时态。 “主祈从现” Complete the sentences. 1.If you ____ (want) to listen to music, _____ (choose) a CD. 2.If you ___ (buy) a new camera, ____(get) a good one. 3.If the light _____ (not come) on, ____ (wait) for one minute. 4.If it _____ (not work) , _____ (wait) a minute and then _____(try) again. 5.If you _____ (not know) how to use the camera, ____ (read) the instructions. want choose buy get doesn’t come wait wait doesn’t work try don’t know read Look and Guess If he _____ Wei Mingliang, he will become a new CUBA star. beats Wei Mingliang (魏明亮) What a pity! Sandy can’t play the ____ because she is ___. solo ill If people catch the _____, they will _____ him. punish thief If they ___ (be) free, I _____(go) shopping with them. 2. What ____ you do if you ____ (find) a panda in danger 3. If it _____ (not rain) tomorrow, we _____(go )there by bike. are will go will find doesn’t rain will go if “ 引导的条件状语从句的用法,现在总结一下: 1.if引导的条件状语从句，主句用一般将来时,从句用一般现在时代替将来。 2.“主祈从现” 3.if 条件句不一般,几个要点记心间; 条件句,放在前,逗号要放句中间。 条件句表可能，主句多用将来时； 句型：if条件状语从句+一般将来时态 If you are ill, you will… Speaking If you are too fat, you will… I argued with(与…争吵) my best friend. If I argue with my best friend, I will… : What will you do if… If I have a lot of pocket money, I will _____ . pocket money I will _____if I have a lot of pocket money. help poor children Piggy bank (存钱罐) If 引导的条件状语从句 If引导的宾语从句 If引导的宾语从句就是在复合句中作宾语的名词性从句，通常放在主句谓语动词（及物动词）或介词之后。翻译成“是否” if引导的条件状语从句中，if是个从属连词，引导的句子是主句动作发生的条件，一般与后面的句子用逗号隔开，翻译为“如果”。 “如果” If you have enough money（pocket money） what ... ...
