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1.as soon asÒ»¾Í= directly / immediately / instantly
¡¡¡¡= the second / the minute / the moment / the instant
¡¡¡¡Eg. He came around to see me as soon as / the moment/ immediately he checked in the hotel.
¡¡¡¡Ëû¸ÕÒ»Èëס±ö¹Ý¾ÍÀ´¿´ÎÒ.
¡¡¡¡They informed us the news immediately / directly they got it.
¡¡¡¡ËûÃÇÒ»µÃµ½ÏûÏ¢¾Í֪ͨÁËÎÒÃÇ.
¡¡¡¡The policeman came to the spot the moment / the instant / the minute she heard of the accident.Ò»Ìý˵ʹÊ,Õâλ¾¯²ì¾Íµ½ÁËÏÖ³¡.

¡¡¡¡2..before.
¡¡¡¡£¨1£©. ûÀ´µÃ¼°¾Í
¡¡¡¡The roof fell before he had time to dash into the room to save his baby.
¡¡¡¡Ëû»¹Ã»ÓÐÀ´µÃ¼°³å½ø·¿¼ä°Ñº¢×ӾͳöÀ´,·¿¶¥¾ÍËúÁË.
¡¡¡¡He ran off before I could stop him.
¡¡¡¡To my great disappointment , my favorite singer left the concert before I could have a word with him.
¡¡¡¡£¨2£©.¹ýÁ˶à¾Ã²ÅÔõôÑù,¶¯×÷½øÐе½Ê²Ã´³Ì¶È²ÅÔõÑù
¡¡¡¡They walked about thirty miles to the west before they saw a village.
¡¡¡¡They worked day and night about three days before everything returned to normal.
¡¡¡¡Three years passed before I knew it.

¡¡¡¡3.It was ʱ¼ä¶Î before.¹ýÁ˶à¾Ã²Å.
¡¡¡¡It was not long before ²»¾Ã¾Í
¡¡¡¡It will £¨ not £© be ʱ¼ä¶Î before Òª¹ý¶à¾Ã £¨ ²»¾Ã£©..²Å..
¡¡¡¡Eg. It was not long before he sensed the danger of the position.
¡¡¡¡It was three years before he came back.
¡¡¡¡It will be half a year before you graduate from this school.

¡¡¡¡4. no sooner than= hardlywhenÒ»¾Í., ¸Õ¸Õ¾Í
¡¡¡¡No sooner / hardly ¹ýÈ¥Íê³Éʱ,than / when Ò»°ã¹ýȥʱ
¡¡¡¡Èç¹ûno sooner, hardly λÓÚ¾äÊ×, Ö÷¾äÒªµ¹×°.
¡¡¡¡He had hardly sat down to have a rest when the door bell rang and in came Allan.
¡¡¡¡No sooner had he got off the train than his daughter ran towards him.
¡¡¡¡Hardly had we arrived when she started crying to go home.

¡¡¡¡5. once Ò»µ©., ±íʾʱ¼äºÍÌõ¼þ
¡¡¡¡Once you understand this rule, you will have no further difficulty.
¡¡¡¡Once you have decided to do something, you should do it well.
¡¡¡¡Once you enter the chemistry lab, you should follow the teachers instructions.

¡¡¡¡6. since ×Ô´Ó.ÒÔÀ´
¡¡¡¡Since Òýµ¼µÄ´Ó¾ä²»ÂÛÊÇÑÓÐøÐÔ»ò·ÇÑÓÐøÐÔ¶¯´Ê, ¶¼±íʾµÄÊǶ¯×÷»ò״̬µÄÍê³É»ò½áÊø.
¡¡¡¡×¢ÒâһϾä×Ó·­Òë:
¡¡¡¡Since he lived in Nanjing, I have not heard from him. £¨= since he left Nanjing£©
¡¡¡¡×Ô´ÓËûÀ뿪ÄϾ©ÒÔÀ´,ÎÒûÓÐÊÕµ½¹ýËûµÄÐÅ.
¡¡¡¡Since she was in Yangzhou, she has kept in touch with her former friends. £¨ since she left Yangzhou£©
¡¡¡¡ËýÀ뿪ÑïÖÝÒÔÀ´,һֱͬ¹ýÈ¥µÄÅóÓѱ£³Ö×ÅÁªÏµ.
¡¡¡¡¶Ô±È:
¡¡¡¡1£©. I have never seen him since he was ill.
¡¡¡¡Ëû²¡ºÃºó,ÎÒ¾ÍÔÙҲûÓмûµ½Ëû.
¡¡¡¡2£©. I have never seen him since he fell ill.
¡¡¡¡ËûÉú²¡ÒÔºóÎÒ¾ÍÔÙҲûÓмû¹ýËû.
¡¡¡¡It is / £¨ has been £© ʱ¼ä¶Î since ¹ýȥʽ
¡¡¡¡It is / has been two years since his father died.
¡¡¡¡= his father has been dead for two years. = his father died two years ago.
¡¡¡¡ËûµÄ¸¸Ç×È¥ÊÀÁ½ÄêÁË.
¡¡¡¡It has been 8 years since I graduated from university.
¡¡¡¡= I graduated from university 8 years ago.
¡¡¡¡It is 3 years since he smoked. ËûÈýÄê²»ÎüÑÌÁË.£¨¼´,´Ó¾ä¶¯´ÊÑÓÐøÐÔµÄ,Òë³É·ñ¶¨ÒâÒå;´Ó¾ä¶¯´Ê·ÇÑÓÐøÐÔµÄ,Òë³É¿Ï¶¨ÒâÒå.£©
¡¡¡¡It is 3 years since he left school.-----Ëû±ÏÒµÈýÄêÁË.

¡¡¡¡7.untilÖ±µ½Ê±ºò; notuntilÖ±µ½²Å
¡¡¡¡You are to stay here until / till your mother comes back.
¡¡¡¡The meeting was put off until ten oclock.
¡¡¡¡Not until we watched the Earth Day program on TV did we know much about global warning.
¡¡¡¡= We did not know much about global warning until we watched the Earth Day program.
¡¡¡¡= It was not until we watched the Earth Day program on TV that we knew much about global warming.
¡¡¡¡Not until he failed in the exam did he realize that he had wasted much time playing computer games.

¡¡¡¡8. whenÒýµ¼²¢Áз־ä, µ±Ê±,ͻȻ,Ç¿µ÷ÁíÒ»¶¯×÷µÄͻȻ·¢Éú.
¡¡¡¡One day Chuck was on a flight across the Pacific Ocean when suddenly his plane crashed. Chuck survived the crash and landed on a deserted island.
¡¡¡¡I was walking along the river when I heard a drowning boy crying for help.
¡¡¡¡I was about to leave when it began to rain.
¡¡¡¡¶Ô±È: A: I was walking along the street when I caught sight of a tailors shop.
¡¡¡¡B: I was walking along the streets. Just at that moment I caught sight of a tailors shop.

¡¡¡¡9. while = although¾¡¹Ü
¡¡¡¡While I admit that the problem is difficult, I dont think that it cant be solved.
¡¡¡¡While I admit his good points, I can see his shortcomings.
¡¡¡¡While I was angry with her, I didnt lose my temper.

¡¡¡¡10. where µØµã×´Óï
¡¡¡¡You should put the book where it was.
¡¡¡¡Persistent people begin their success where others end in failure.
¡¡¡¡Where there is a will, there is a way.
¡¡¡¡Where men are greedy, there is never peace.
¡¡¡¡Go where you should, keep on studying.

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