when引导的状语从句ppt课件.pptx
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1、学习when引导的状语从句,1.当他打开门时,他看到了这只鸟。When he opened the door, he saw the bird.2.当她六岁时,她会下棋。When she was six years old, she could play chess.,主句,从句,主句,从句,学习when引导的状语从句,When 引导的时间状语从句,译为“当的时候”,1.当他打开门时,他看到了这只鸟。He saw the bird when he opened the door.2.当她六岁时,她会下棋。She could play chess when she was six years o
2、ld.,主句,主句,从句,从句,When叫做连词,表示时间。译为“当的时候” when引导的状语从句叫做时间状语从句。,1.当他打开门时,他看到了这只鸟。He saw the bird when he opened the door.=When he opened the door, he saw the bird.2.当她六岁时,她会下棋。 She could play chess when she was six years old.=When she was six years old, she could play chess.,主句,从句,主句,主句,从句,从句,主句,从句,Lets
3、 read together,主过从过,当汤姆二十岁时,他成为老师。 Tom became a teacher when he was twenty years old.=When Tom was twenty years old, he became a teacher .当蒂娜三年级时,她开始学习英语。Tina stared learning English when she was in Grade Three.= When Tina was in Grade Three, she stared learning English .,Lets try,谁是主句,谁是从句?,主过从过主将从
4、现 在含有时间状语从句和条件状语从句的主从复合句中,如果主句的时态是一般将来时,那么从句要用一般现在时。eg:I will tell him about it when he comes. If it is fine tomorrow, we will go outing.,时间状语从句 引导词 when, whenever, while, as, before, after, since, till, once, as soon as,etc.,1. We will stay at home if my aunt _ to visit us tomorrow. A. comes B. com
5、e C. will come D. is coming2. Ill go swimming with you if I _ free tomorrow. A. will be B. shall be C. am D. Was3. Im sure hell come to see me before he _ Beijing. A. will leave B. is leaving C. leave D. Leaves4. When he got to the station, the train _. A. left B. had left C. leaves D. has left5.We
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