Unit-10-If-you-come-to-my-party-youll-have-a-great-time!Section-A-If引导条件状语从句-.ppt

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