| Hiện tại (Present) "acknowledge" | I | acknowledge | |
| Thì hiện tại tiếp diễn (Present Continuous) "acknowledge" | I | am acknowledging | |
| Quá khứ đơn (Simple past) "acknowledge" | I | acknowledged | |
| Quá khứ tiếp diễn (Past Continuous) "acknowledge" | I | was acknowledging | |
| Hiện tại hoàn thành (Present perfect) "acknowledge" | I | have acknowledged | |
| Hiện tại hoàn thành tiếp diễn (Present perfect continuous) "acknowledge" | I | have been acknowledging | |
| Quá khứ hoàn thành (Past perfect) "acknowledge" | I | had acknowledged | |
| Quá khứ hoàn thành tiếp diễn (Past perfect continuous) "acknowledge" | I | had been acknowledging | |
| Tương lai (Future) "acknowledge" | I | will acknowledge | |
| Tương lai tiếp diễn (Future continuous) "acknowledge" | I | will be acknowledging | |
| Hoàn hảo tương lai (Future perfect) "acknowledge" | I | will have acknowledged | |
| Hoàn hảo trong tương lai liên tục (Future perfect continuous) "acknowledge" | I | will have been acknowledging |