2023年中考英语二轮复习 if 引导的条件状语从句 课件

If 引导的条件状语从句 If you miss my party, you will be sorry. 从句 主句 “主将从现”——主句一般将来时,从句一般现在时。 If引导的条件状语表示主句动作发生的条件,If 释为 “如果”。 You will be sorry if you miss my party. 注意:主从句的顺序可以调换。 if :如果,引导条件状语从句 主句 从句 例句 一般将来时(will+do) 一般现在时 If he doesn’t work hard, he will fail his exams. 祈使句 一般现在时 If you want to go, tell me. 情态动词+ 动原 一般现在时 If she arrives in time , she may come with us. 过去将来时would+do 一般过去时 If he didn't work hard, he would fail his exams. (主将从现) (主祈从现) 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。 如果你起床晚,你就会迟到。 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。 Print the text if you like it. If you get up late, you will be late. = If you like the text, print it. If you want to turn on the recorder, press button A. A B C D E F Press button A if you want to turn on the recorder. 5 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 red button. press the blue button. / in the library keep quiet 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, 主句是祈使句,从句用一般现在时态。 “主祈从现” summary 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 If you have a robot, what will you do? play games; clean my bedroom; do homework for me; ... If I have a robot, _ _ _ I will ask it to play games. I will ask it to clean my bedroom. I will ask it to do homework for me. If he plays computer games on weekdays, what will happe