句子結(jié)構(gòu):
(1)肯定句: 主語(yǔ)＋be動(dòng)詞(was，were)＋其他
? ? ? ? ? ?---She was a student two years ago.兩年前她是一個(gè)學(xué)生.
? ? 否定句: 主語(yǔ)＋be not(was not, were not)＋其他
? ? ? ? ? ?---She was not a student two years ago.兩年前她不是一個(gè)學(xué)生.
? ? 疑問(wèn)句: Be動(dòng)詞(Was/Were)＋主語(yǔ)＋其他
? ? ? ? ? ?---Was she a student two years ago?兩年前她是一個(gè)學(xué)生嗎?
(2)肯定句: 主語(yǔ)＋動(dòng)詞的過(guò)去式＋其他
? ? ? ? ? ?---She ate three apples yesterday.昨天她吃了三個(gè)蘋(píng)果.
? ? 否定句: 主語(yǔ)＋did not＋動(dòng)詞原型＋其他
? ? ? ? ? ?---She did not eat three apples yesterday.昨天她沒(méi)吃三個(gè)蘋(píng)果.
? ? 疑問(wèn)句: Did＋主語(yǔ)＋動(dòng)詞原型＋其他
? ? ? ? ? ?---Did she eat three apples yesterday?昨天她吃了三個(gè)蘋(píng)果嗎?
注意:wasn't 是 was not 的縮寫(xiě).weren't 是 were not 的縮寫(xiě).didn't 是did not 的縮寫(xiě).
常用的時(shí)間狀語(yǔ):
yesterday昨天 ? ? two days ago,three days ago(兩年前,三年前)等等.
long ago很久以前 ? ?last + week(year, night, month…)上一周,去年,昨晚,上個(gè)月等等.
?in 1989,in 2008等等.
a moment ago 剛才,just now 剛才.