【正文】
smate now.(現(xiàn)在時(shí)) He was my classmate last year . (過(guò)去時(shí)) past(過(guò)去 ) now(現(xiàn)在) future(將來(lái)) time 他是我的同學(xué)。 他 以前 是我的同學(xué) (也許現(xiàn)在不是 )。 表示過(guò)去的時(shí)間短語(yǔ) 表示過(guò)去某一時(shí)間所發(fā)生的動(dòng)作,其動(dòng)詞必須是過(guò)去式,往往有明顯的時(shí)間狀語(yǔ)表示。 : yesterday morning (afternoon, evening), the day before yesterday等; 2. 由“ last+時(shí)間名詞”構(gòu)成的詞組: last night, last year (winter, month, week)等; 3. 由“時(shí)間段 +ago” 構(gòu)成的詞組: a moment ago, a short time ago, an hour ago等。 was和 were的用法 be動(dòng)詞的一般過(guò)去時(shí) 原形 am is are 過(guò)去時(shí) was was were 過(guò)去式 現(xiàn)在式 am is are was were 3. Andy is a teacher now. Andy a student last year. 例句: 1. I am full. I hungry an hour ago. are happy now. You sad