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英语 动词 challenge 在所有时态和语法形式的词形变化。
在学习英语吗？
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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 challenging |
| we | will have been challenging |
| he/she/it | will have been challenging |
| you | will have been challenging |
| I | will have been challenging |
| they | will be challenging |
| we | will be challenging |
| he/she/it | will be challenging |
| you | will be challenging |
| I | will be challenging |
| they | had been challenging |
| we | had been challenging |
| he/she/it | had been challenging |
| you | had been challenging |
| I | had been challenging |
| they | were challenging |
| we | were challenging |
| he/she/it | was challenging |
| you | were challenging |
| I | was challenging |
| they | have been challenging |
| we | have been challenging |
| he/she/it | has been challenging |
| you | have been challenging |
| I | have been challenging |
| they | are challenging |
| we | are challenging |
| he/she/it | is challenging |
| you | are challenging |
| I | am challenging |
| they | will have challenged |
| we | will have challenged |
| he/she/it | will have challenged |
| you | will have challenged |
| I | will have challenged |
| they | will challenge |
| we | will challenge |
| he/she/it | will challenge |
| you | will challenge |
| I | will challenge |
| they | had challenged |
| we | had challenged |
| he/she/it | had challenged |
| you | had challenged |
| I | had challenged |
| they | challenged |
| we | challenged |
| he/she/it | challenged |
| you | challenged |
| I | challenged |
| they | have challenged |
| we | have challenged |
| he/she/it | has challenged |
| you | have challenged |
| I | have challenged |
| they | challenge |
| we | challenge |
| he/she/it | challenges |
| you | challenge |
| I | challenge |
Subjunctive
Pluperfect Simple
Imperfect Simple
Perfect Simple
Present Simple
| they | had challenged |
| we | had challenged |
| he/she/it | had challenged |
| you | had challenged |
| I | had challenged |
| they | challenged |
| we | challenged |
| he/she/it | challenged |
| you | challenged |
| I | challenged |
| they | have challenged |
| we | have challenged |
| he/she/it | have challenged |
| you | have challenged |
| I | have challenged |
| they | challenge |
| we | challenge |
| he/she/it | challenge |
| you | challenge |
| I | challenge |
Conditional
Perfect Continuous
Present Continuous
Perfect Simple
Present Simple
| they | would have been challenging |
| we | would have been challenging |
| he/she/it | would have been challenging |
| you | would have been challenging |
| I | would have been challenging |
| they | would be challenging |
| we | would be challenging |
| he/she/it | would be challenging |
| you | would be challenging |
| I | would be challenging |
| they | would have challenged |
| we | would have challenged |
| he/she/it | would have challenged |
| you | would have challenged |
| I | would have challenged |
| they | would challenge |
| we | would challenge |
| he/she/it | would challenge |
| you | would challenge |
| I | would challenge |
Imperative
| we | Let's challenge |
| you | challenge |