| Einfach | Progressiv | Perfekt | Progressiv |
| Präsens |
| I alert |
| you alert |
| he/she/it alerts |
| we alert |
| you all alert |
| they alert |
|
| I am alerting |
| you are alerting |
| he/she/it is alerting |
| we are alerting |
| you all are alerting |
| they are alerting |
|
| I have alerted |
| you have alerted |
| he/she/it has alerted |
| we have alerted |
| you all have alerted |
| they have alerted |
|
| I have been alerting |
| you have been alerting |
| he/she/it has been alerting |
| we have been alerting |
| you all have been alerting |
| they have been alerting |
|
| Präteritum |
| I alerted |
| you alerted |
| he/she/it alerted |
| we alerted |
| you all alerted |
| they alerted |
|
| I was alerting |
| you were alerting |
| he/she/it was alerting |
| we were alerting |
| you all were alerting |
| they were alerting |
|
| I had alerted |
| you had alerted |
| he/she/it had alerted |
| we had alerted |
| you all had alerted |
| they had alerted |
|
| I had been alerting |
| you had been alerting |
| he/she/it had been alerting |
| we had been alerting |
| you all had been alerting |
| they had been alerting |
|
| Futur |
| I will alert |
| you will alert |
| he/she/it will alert |
| we will alert |
| you all will alert |
| they will alert |
|
| I will be alerting |
| you will be alerting |
| he/she/it will be alerting |
| we are alerting |
| you all will be alerting |
| they will be alerting |
|
| I will have alerted |
| you will have alerted |
| he/she/it will have alerted |
| we will have alerted |
| you all will have alerted |
| they will have alerted |
|
| I will have been alerting |
| you will have been alerting |
| he/she/it will have been alerting |
| we will have been alerting |
| you all will have been alerting |
| they will have been alerting |
|
