1.
一般过去时：表示过去的状态，或主语过去具有的能力或过去发生的动作。
常与then, yesterday, last night, many years ago等过去时间连用。
①
be动词(was, were)的一般过去时，表示过去的状态。
I was short then. Now I am tall.
They were young then. Now they are old.
注意：a. 当主语是单数人称(I, he, she, it)时，用was.
b. 当主语是复数人称(we, you, they)时，用were.
c. 句式转换同be动词用法歌诀。
②
情态动词(could)的一般过去时，表示主语以前具有的能力。
She could run fast when she was young.
She couldn’t read or write.
注意：a. 情态动词无人称或数的变化。
b. 情态动词后接动词原形。
c. 句式转换同can.
③
实义动词的一般过去时，表示过去发生的动作。
I played football yesterday.
She got up too late yesterday.
Did you ride a horse? Yes, I did. / No, I didn’t. I went to a farm.
2.实义动词一般过去时的句式
①肯定句: 主语 + 动词
过去式 + 其他。
I visited my grandparents yesterday.
②否定句: 主语 + didn’t + 动词原形 + 其他。
I didn’t visit my grandparents yesterday.
③
一般疑问句: Did +主语 + 动词原形 + 其他？
Did you visit your grandparents yesterday?
④肯定回答: Yes, 主语 did.
Yes, I did.
⑤否定回答: No, 主语 didn’t.
No, I didn’t.
3.实义动词过去式的构成：
①加ed:
look—looked, listen—listened, play—played
②以e结尾的，加d:
like—liked, live—lived, phone—phoned, hope—hoped
③以
辅音字母加y结尾的，把y变ied:
carry—carried, study—studied, worry—worried
④以一个
元音字母和一个辅音字母结尾的
重读闭音节，双写辅音字母,加ed: drop—dropped, stop—stopped, plan—planned
注意：snow—snowed, travel—traveled/travelled
⑤特殊变化：
do—did, have—had, eat—ate, buy—bought, go—went, ride—rode, feed—fed,
take—took, see—saw, get—got, come—came, teach—taught, swim—swam, win
—won, feel—felt, draw—drew, read—read
注意:①动词的过去式，多用在一般过去时的肯定句中。
②问句中有did, 否定句中有didn’t，后接动词原形。