2014年英语六遥语法复习：一般遥时代替完成时　　1) 有些动词用一般遥时代替完成时： 　　hear, tell, learn, write , understand, forget, know, find , say,　remember.
　　I hear he will go to London.
　　I forget how old he is.
　　2) 句型 It is since代替It has been since 　　3) It is five years since we last met.