2017四川高三英语《高考英语语法：句子成分》课件.pptVIP

X. by the time 1)By the time he arrived,the train had already gone. 2)By the time he comes,we will already have left. Exercises: 1.They walked out of the room _________the meeting was over. 2.They must stay in school _________they are sixteen. 3.Take the medicine _________you go to bed. as soon as by the time before 4.I knew nothing about it _______he told me. 5.It is more than five years _____we started to learn English. 6._______he talked on, he got more and more excited. 7.We should strike _______the iron is hot. until since As while 2.Adverbial Clauses of Reason(原因状语从句） because, since, as, now that, for I. because 1)The ship changed its course because there was a storm. The ship changed its course because of the storm. 2)Because he was ill,he didn’t go to school. He was ill ,so he didn’t go to school. Being ill, he didn’t go to school. II.since 1)Since you are ill,you’d better go to see the doctor. 2)Since you do not understand ,I will explain again. III.as 1)As she was late for class,she had to say sorry. 2)As Jane was the oldest in this family, she had to look after the others. IV. now that 1)Now that class is over,let’s go to play football. V.for He must be ill, for he is absent today. Exercises: 1.The teacher must be strict with you ____ they want you to make great progress. 2.____your father is well again,you no longer have anything to worry about. 3.The day breaks,_____the birds are singing. 3.Adverbial Clauses of Condition (条件状语从句） I.if 1)If he had worked harder,he would have passed the exam. 2)If you work harder,you will succeed. Work harder, and you will succeed. Work harder,or you won’t succeed. Working harder,you will succeed. II.unless 1)We can’t write to Mary unless she tells us her address. We can’t write to Mary if she doesn’t tell us her address. *III.as long as(只要 ) 1)I will never give