| 情况 | 方法 | 示例 |
| 一般情况 | +ed | work— worked |
| look—looked | ||
| 以不发音的e(哑e)结尾 | +d | live —lived |
| hope—hoped | ||
| like—liked | ||
| 以辅音字母+y结尾 | 把y变i+ed | study— studied |
| carry—carried | ||
| 以重读闭音节结尾且末尾只有一个辅音字母(重读辅元辅) | 双写尾字母+ed | stop— stopped |
| plan—planned | ||
| 以ic结尾 | +ked | picnic—picnicked |
| traffic—trafficked | ||
| 特殊情况 | 不规则变化 | are—were |
| is/am—was | ||
| do—did | ||
| eat—ate | ||
| go—went | ||
| 等等 |
——Oh, sorry. I ____it.
His son came back late from work .
They but .
The little girl snakes any more.
You can learn and have fun .
—Sorry, I see it.
These old things many good memories to me.
— Sorry, they had been s out when I got there.
一 It ________________ about 323 million.
We an art museum and many things to see.
He three months in London last year.
—Yes. I _______there with my parents last year.