Mac + Safari
iPhone + iPad
Google Chrome
Mozilla Firefox
Opera
Microsoft Edgeprevent | 词形变化
英语 动词 prevent 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 preventing |
| we | will have been preventing |
| he/she/it | will have been preventing |
| you | will have been preventing |
| I | will have been preventing |
| they | will be preventing |
| we | will be preventing |
| he/she/it | will be preventing |
| you | will be preventing |
| I | will be preventing |
| they | had been preventing |
| we | had been preventing |
| he/she/it | had been preventing |
| you | had been preventing |
| I | had been preventing |
| they | were preventing |
| we | were preventing |
| he/she/it | was preventing |
| you | were preventing |
| I | was preventing |
| they | have been preventing |
| we | have been preventing |
| he/she/it | has been preventing |
| you | have been preventing |
| I | have been preventing |
| they | are preventing |
| we | are preventing |
| he/she/it | is preventing |
| you | are preventing |
| I | am preventing |
| they | will have prevented |
| we | will have prevented |
| he/she/it | will have prevented |
| you | will have prevented |
| I | will have prevented |
| they | will prevent |
| we | will prevent |
| he/she/it | will prevent |
| you | will prevent |
| I | will prevent |
| they | had prevented |
| we | had prevented |
| he/she/it | had prevented |
| you | had prevented |
| I | had prevented |
| they | prevented |
| we | prevented |
| he/she/it | prevented |
| you | prevented |
| I | prevented |
| they | have prevented |
| we | have prevented |
| he/she/it | has prevented |
| you | have prevented |
| I | have prevented |
| they | prevent |
| we | prevent |
| he/she/it | prevents |
| you | prevent |
| I | prevent |
Subjunctive
Pluperfect Simple
Imperfect Simple
Perfect Simple
Present Simple
| they | had prevented |
| we | had prevented |
| he/she/it | had prevented |
| you | had prevented |
| I | had prevented |
| they | prevented |
| we | prevented |
| he/she/it | prevented |
| you | prevented |
| I | prevented |
| they | have prevented |
| we | have prevented |
| he/she/it | have prevented |
| you | have prevented |
| I | have prevented |
| they | prevent |
| we | prevent |
| he/she/it | prevent |
| you | prevent |
| I | prevent |
Conditional
Perfect Continuous
Present Continuous
Perfect Simple
Present Simple
| they | would have been preventing |
| we | would have been preventing |
| he/she/it | would have been preventing |
| you | would have been preventing |
| I | would have been preventing |
| they | would be preventing |
| we | would be preventing |
| he/she/it | would be preventing |
| you | would be preventing |
| I | would be preventing |
| they | would have prevented |
| we | would have prevented |
| he/she/it | would have prevented |
| you | would have prevented |
| I | would have prevented |
| they | would prevent |
| we | would prevent |
| he/she/it | would prevent |
| you | would prevent |
| I | would prevent |
Imperative
| we | Let's prevent |
| you | prevent |