一、一般过去时的用法
1. 发生在过去 I bought a book yesterday. 我昨天买了一本书。
2. 讲故事 Long long ago, there was a princess. 很久以前,有一位公主。
3. 过去经常发生 I often had lunch at home last year. 我去年经常在家吃午饭。 ★一般过去时的标志词
yesterday 昨天 last ... 上个 ... ... ago ...以前 just now 刚刚
long long ago 很久很久以前 When I was 3 ... 当我三岁的时候
二、一般过去时的构成
1. 主语 +be(was, were) +其他
eg. I was a teacher two years ago. 我两年前是一名老师。
They were babies ten years ago. 他们十年前是婴儿。
2. 主语 +动词过去式 +其他
eg. I walked to the shop yesterday. 我昨天走路去商店。
They washed hands two hours ago. 他们两小时前洗的手。
三、动词变过去式的规则
① 一般直接加 ed walk-walked
② 以不发音的 e 结尾的动词词,直接加 d live- lived
③ 以辅音 +y结尾的单词,变 y 为 i 加 ed study-studied
④ 以重读闭音节结尾且末尾只有一个辅音字母的动词,双写最后一个字母加 ed shop - shopped stop - stopped
⑤ 特殊
am /is-was 是
are-were 是
do/does-did 做 /助动词 break -broke破坏 speak-spoke 讲
get-got 得到
stand-stood 站
take-took 拿,带 go-went 去
have-had 有
make-made 制作 meet-met 见
say-said 说
wear-wore 穿
tell-told 告诉
spend-spent 花费 sell-sold 卖 lie-lay 躺
lose-lost 丢
hurt-hurt 伤害
put-put 放
read-read 读
cut-cut 切
catch- caught抓