过去式标志词
yesterday,last night,ago,this morning,just now,the other day。
yesterday有两种用法,
一是用作名词,意思是“昨天; 不久前; 近日; 往昔”;
二是用作副词,意思是“在昨天”。the day before yesterday是“前天”的意思,其中的定冠词the不可以省略。
常见句型
I saw him only yesterday.
我昨天才见到他。
She had an attack of indigestion yesterday.
她昨天消化不良。
Yesterday was a beautiful day.
一般过去时动词都是过去式,时间状语也都是表示过去的,标志词有:yesterday, last week ,last month,last year,two years ago,in the past等.现在完成时中 have/has+动词的过去分词 是核心.时间标志词是for sometime,...