| 词义 | 原形 | 过去式 | 交替元音 | 过去分词 |
| 爬行 | creep | crept | [iː]-[e] | crept |
| 保持 | keep | kept | kept | |
| 感觉 | feel | felt | felt | |
| 睡觉 | sleep | slept | slept | |
| 哭泣 | weep | wept | wept | |
| 打扫 | sweep | swept | swept | |
| 睡过头 | oversleep | overslept | overslept |