规则动词的过去式，和过去分词，是直接在动词后面加ed （或y变i后，加ed）。
| 动词 | 过去式 | 过去分词 |
|---|---|---|
| learn | learned | learned |
| study | studied | studied |
| cook | cooked | cooked |
| solve | solved | solved |
| ask | asked | asked |
| watch | watched | watched |
| listen | listened | listened |
不规则动词的过去式，和过去分词，没有特定的规律，基本靠背。
| 动词 | 过去式 | 过去分词 |
|---|---|---|
| grow | grew | grown |
| know | knew | known |
| begin | began | begun |
| draw | drew | drawn |
| drive | drove | driven |
| fly | flew | flown |
| give | gave | given |
| speak | spoke | spoken |
| swim | swam | swum |
| go | went | gone |
| take | took | taken |
| find | found | found |
| spend | spent | spent |
| teach | taught | taught |
| pay | paid | paid |
| feel | felt | felt |
| buy | bought | bought |
| meet | met | met |
| have | had | had |
| feed | fed | fed |
| keep | kept | kept |
| cut | cut | cut |
| hit | hit | hit |
| set | set | set |
| shut | shut | shut |
| fit | fit | fit |
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