江西成考专升本英语重点语法资料三(4)

r two years.

　　1）他参军已经有十年了。  ①He has been an armyman for ten years.

　　②It is （has been） ten years since he joined the army.

　　③He joined the army ten years ago.

　　2）It is （has been）…since：  It is （has been） a long time since they last met each other.

　　3） This is the first（second） time that…： This is the second time that I have broken a cup this year.

　　9、过去完成时

　　John had learned some Chinese before he came to China.    He found the book that he had lost.

　　By the end of last year， I had worked in this college for ten years.

　　***no sooner………than，  hardly（scarcely）……when（before）

　　We had no sooner reached home than it began to rain.       No sooner had we reached home than it began to rain.

　　He had hardly entered the office when （before） the phone rang.

　　10、现在完成进行时（常跟for hours， since this morning等表示一段时间的状语连用）

　　They have been watching TV for two hours.  He has been working o