【正文】
oment (as soon as) she appeared on the stage. X. by the time 1)By the time he arrived,the train had already gone. 2)By the time he es,we will already have left. Exercises: walked out of the room _________the meeting was over. must stay in school _________they are sixteen. the medicine _________you go to bed. as soon as by the time before knew nothing about it _______he told me. is more than five years _____we started to learn English. talked on, he got more and more excited. should strike _______the iron is hot. until since As while 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. 1)Since you are ill,you’d better go to see the doctor. 2)Since you do not understand ,I will explain again. 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. (并列連詞