【简明语法】11.24 一般现在时代替完成时（在线收听） |
| 1) 有些动词用一般现在时代替完成时： hear, tell, learn, write , understand, forget, know, find , say, remember. I hear (= have heard) he will go to London. I forget (=have forgotten) how old he is. 2) 句型 " It is … since…"代替"It has been … since …" 3) It is (= has been) five years since we last met. |
| 原文地址：http://www.tingroom.com/listen/vocabulary/6864.html |