新概念二Lesson16 if条件状语从句.ppt
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1、If you go to the party, youll have a great time!,If I get up at 7:00, I will be late.,If I am late, the teacher will be angry with me.,If the teacher is angry with me, I will be sad.,If you get up late, you will be late for school. ,if 从句,主句,由if引导的从句叫条件状语从句,if意思为“如果”。,例如:We will go to the park if it
2、 _ _ (rain) tomorrow.,Grammar,含if条件状语从句的主从复合句,1. if 条件状语从句中,主句用一般将来 时,if从句用_表示将来, _原则。,doesnt,主将从现,rain,一般现在时,It is going to rain tomorrow.,I will stay at home.,If it _ tomorrow, I _ _ at home.,rains,will,stay,If it _ sunny tomorrow, they _ _ a trip.,It will be sunny tomorrow.,They will have a trip
3、tomorrow.,is,will,have,He wont study hard.,He will fail in the exam.,“If he _study hard. He _ _ in the exam.”,doesnt,will,fail,She will be late.,If she _ to school, she _ _late.,She is going to walk to school.,walks,will,be,If I have much money, I will buy a big house.,travel all over the world.,buy
4、 lots of delicious food.,If I have a lot of money , I will buy a car. If I buy a car , I will travel everywhere. If I travel everywhere, I will be happy. If I am happy, I will be healthy.,She must see a dentist if she has a toothache. You can go shopping with your sister if you have time this aftern
5、oon.,2. if 条件状语从句中,主句可以是 must,can,may 等情态动词,if从 句用_。,例如:You must stop if the traffic light _ (be) red.,is,一般现在时,“主情从现”,If you feel hungry, you should eat something.,If you feel tired, you must have a rest.,If you are ill, you must go to see a doctor.,If you are riding a bike , you must be careful.,C
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