Mac + Safari
iPhone + iPad
Google Chrome
Mozilla Firefox
Opera
Microsoft Edgekeep down | 词形变化
英语 动词 keep down 在所有时态和语法形式的词形变化。
在学习英语吗？
就让 Mate 取代 Google Translate 吧！我们为使用 Mac 设备的语言学习者提供设计完善的 Mate。轻松双击，即可将英语的网站和 Netflix 字幕或任何文本翻译到 102 种语言、查看同义词、编辑短语集。马上加入 800,000 名学习者，免费试用 7 天！
在学习英语吗？
就让 Mate 取代 Google Translate 吧！我们为使用 的语言学习者提供设计完善的 Mate。轻松将英语的文本和语音翻译到 102 种语言、学习发音、编辑短语集。马上加入 800,000 名学习者吧！
在学习英语吗？
就让 Mate 取代 Google Translate 吧！我们为使用 的语言学习者提供设计完善的 Mate。轻松双击，即可将英语的网站和 Netflix 字幕翻译到 102 种语言、学习发音、编辑短语集。马上加入 800,000 名学习者吧！
免费获得Indicative
Future perfect Continuous
Future Continuous
Pluperfect Continuous
Past Continuous
Perfect Continuous
Present Continuous
Future perfect Simple
Future Simple
Pluperfect Simple
Past Simple
Perfect Simple
Present Simple
| they | will have been keeping down |
| we | will have been keeping down |
| he/she/it | will have been keeping down |
| you | will have been keeping down |
| I | will have been keeping down |
| they | will be keeping down |
| we | will be keeping down |
| he/she/it | will be keeping down |
| you | will be keeping down |
| I | will be keeping down |
| they | had been keeping down |
| we | had been keeping down |
| he/she/it | had been keeping down |
| you | had been keeping down |
| I | had been keeping down |
| they | were keeping down |
| we | were keeping down |
| he/she/it | was keeping down |
| you | were keeping down |
| I | was keeping down |
| they | have been keeping down |
| we | have been keeping down |
| he/she/it | has been keeping down |
| you | have been keeping down |
| I | have been keeping down |
| they | are keeping down |
| we | are keeping down |
| he/she/it | is keeping down |
| you | are keeping down |
| I | am keeping down |
| they | will have kept down |
| we | will have kept down |
| he/she/it | will have kept down |
| you | will have kept down |
| I | will have kept down |
| they | will keep down |
| we | will keep down |
| he/she/it | will keep down |
| you | will keep down |
| I | will keep down |
| they | had kept down |
| we | had kept down |
| he/she/it | had kept down |
| you | had kept down |
| I | had kept down |
| they | kept down |
| we | kept down |
| he/she/it | kept down |
| you | kept down |
| I | kept down |
| they | have kept down |
| we | have kept down |
| he/she/it | has kept down |
| you | have kept down |
| I | have kept down |
| they | keep down |
| we | keep down |
| he/she/it | keeps down |
| you | keep down |
| I | keep down |
Subjunctive
Pluperfect Simple
Imperfect Simple
Perfect Simple
Present Simple
| they | had kept down |
| we | had kept down |
| he/she/it | had kept down |
| you | had kept down |
| I | had kept down |
| they | kept down |
| we | kept down |
| he/she/it | kept down |
| you | kept down |
| I | kept down |
| they | have kept down |
| we | have kept down |
| he/she/it | have kept down |
| you | have kept down |
| I | have kept down |
| they | keep down |
| we | keep down |
| he/she/it | keep down |
| you | keep down |
| I | keep down |
Conditional
Perfect Continuous
Present Continuous
Perfect Simple
Present Simple
| they | would have been keeping down |
| we | would have been keeping down |
| he/she/it | would have been keeping down |
| you | would have been keeping down |
| I | would have been keeping down |
| they | would be keeping down |
| we | would be keeping down |
| he/she/it | would be keeping down |
| you | would be keeping down |
| I | would be keeping down |
| they | would have kept down |
| we | would have kept down |
| he/she/it | would have kept down |
| you | would have kept down |
| I | would have kept down |
| they | would keep down |
| we | would keep down |
| he/she/it | would keep down |
| you | would keep down |
| I | would keep down |
Imperative
| we | Let's keep down |
| you | keep down |