[1]一般现在时。。。(do,does,is,am, are)→→被动→→do/does/is/am/are+done 用于三种情况 1)表习惯 eg.He is blamed by his mother every day. 2)客观真理 eg.The sun rises in the earth. 3)名言警句 eg.He said failure is the mothe of success.
一般过去时标志 1. last+n(month,year,summer...) 2. ...ago 3. in/over the past/last.后面不接东西 eg.1.I saw the film 3 years ago. 2.I saw the film the other day(单).(=a few days(复) ago) 几天前