高中课件-状语从句中的省略

11Although he was a farmer, now he is a famous director. 12 As she was walking along the river bank, she was singing a pop song. 13 Although he is doing his best in maths , he has still got no good marks. 14 He won't go there with us unless he is invited. 15 The concert was a great success than it was expected. 16 He stood up as if he were to say something. 17 He wouldn't solve the problem even if he were to take charge. 18 She looked anxious as though she was in trouble. 19 He had mastered the English language before he was in the USA.
__t_a_l_k_in_g_ with a teacher (跟老师讲话).
什么时候可以省略?怎么省略?
1. Don’t speak until you are spoken to . spoken to
2. I’ll buy a TV set if it is necessary. necessary
小 结
1 Whenever it is possible, you should come and help. 2 You should let us know the result as soon as it is possible. 3 Don’t come in until you are asked to. 4 Before you leave, turn off all the lights. 5 Give explanation wherever it is necessary. 6 Send the goods now if they are ready. 7 He will come if he is asked. 8 If it is true, this will casue us a lot of trouble. 9 He is a good man, though sometimes he is rather dull. 10 Even if I am invited to, I won’t go to such a bad lecture. 11 She has finished the work earlier than it has been expected. 12 She talked to the stranger as if she were absent-minded. 13 He opened the desk, as if he was in search of something important.
11Although (he was) a farmer, now he is a famous director. 12 As (she was) walking along the river bank, she was singing a pop song. 13 Although (he is) doing his best in maths , he has still got no good marks. 14 He won't go there with us unless (he is) invited. 15 The concert was a great success than (it was) expected. 16 He stood up as if (he were) to say something. 17 He wouldn't solve the problem even if (he were) to take charge. 18 She looked anxious as though (she was) in trouble. 19 He had mastered the English language before (he was) in the USA.
1 When the lab is completed ,the lab will be open to the public . 2 He'll go to the seaside for his holiday if it is possible. 3 I'm taller than he is tall . 4 The higher the temperature is, the greater the pressure is . 5 If it is possible, he will help you out of the difficulty. 6 You must attend the meeting unless it is inconvenient to you. 7 As he was young, he learned how to ride a bike. 8 Whenever she is free, she often goes shopping. 9 Work hard when you are young, or you'll regret. 10 While he was a young boy, he was always ready to help others.
:什么时候可以省略?怎么省略? 在含有状语从句的复合句中若从句的主语是it或从 句的主语与主句的主语相同，且在谓语中含有be时， 常省略从句的主语和be。
1._W__h_e_n_/_W__h_il_e_i_n__B_e_ij_i_n_g_ (在北京的时候), I paid a visit to the Summer Palace. 2. _W__h_e_n_/A__s_a__y_o_u_n_g_m__a_n___(当是torekeeper and a postmaster. 3. A girl stood at the gate of the school as if
3.She stood at the gate as if she was waiting for
someone.
waiting for someone
4. He was a swimmer when he was a child. a child 5. Though it is cold, he wore a shirt.
状语从句中的省略
强调：
在含有状语从句的复合句中 1.when，while，as soon as , once，before，after， until，whenever, as 引导的时间状语从句； 2.if，unless引导的条件状语从句； 3.though，although，even if ，even though引导的 让步状语从句； 4.as though，as if引导的方式状语从句； 5. where, wherever引导的地点状语从句。 6. than, as 引导的比较状语从句。
1 When ( the lab is ) completed ,the lab will be open to the public . 2 He'll go to the seaside for his holiday if (it is ) possible. 3 I'm taller than he (is tall ). 4 The higher the temperature (is), the greater the pressure (is ). 5 If (it is) possible, he will help you out of the difficulty. 6 You must attend the meeting unless (it is) inconvenient to you. 7 As (he was) young, he learned how to ride a bike. 8 Whenever (she is) free, she often goes shopping. 9 Work hard when (you are) young, or you'll regret. 10 While (he was) a young boy, he was always ready to help others.
Though cold, he wore a shirt. 6. While I was walking alone in the street, my name was called.
While walking alone in the street, my name was called.
7. While Iwwalaksinwgaallkoineg twhaelsktirnegeta,lone in the street, I heard my name called.