一般過去式的結(jié)構(gòu)：肯定句：主語＋be動詞(was，were)＋其他；否定句：主語＋be not(was not, were not)＋其他；疑問句: Be動詞(Was/Were)＋主語＋其他。

(1)肯定句: 主語＋be動詞(was，were)＋其他

? ? ? ? ? ?---She was a student two years ago.兩年前她是一個學(xué)生.

? ? 否定句: 主語＋be not(was not, were not)＋其他

? ? ? ? ? ?---She was not a student two years ago.兩年前她不是一個學(xué)生.

? ? 疑問句: Be動詞(Was/Were)＋主語＋其他

? ? ? ? ? ?---Was she a student two years ago?兩年前她是一個學(xué)生嗎?

(2)肯定句: 主語＋動詞的過去式＋其他

? ? ? ? ? ?---She ate three apples yesterday.昨天她吃了三個蘋果.

? ? 否定句: 主語＋did not＋動詞原型＋其他

? ? ? ? ? ?---She did not eat three apples yesterday.昨天她沒吃三個蘋果.

? ? 疑問句: Did＋主語＋動詞原型＋其他

? ? ? ? ? ?---Did she eat three apples yesterday?昨天她吃了三個蘋果嗎?

注意:wasn't 是 was not 的縮寫.weren't 是 were not 的縮寫.didn't 是did not 的縮寫.

常用的時間狀語:

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,上個月等等.

?in 1989,in 2008等等.

a moment ago 剛才,just now 剛才.