| Einfach | Progressiv | Perfekt | Progressiv |
| Präsens |
| I undersell |
| you undersell |
| he/she/it undersells |
| we undersell |
| you all undersell |
| they undersell |
|
| I am underselling |
| you are underselling |
| he/she/it is underselling |
| we are underselling |
| you all are underselling |
| they are underselling |
|
| I have underselled |
| you have underselled |
| he/she/it has underselled |
| we have underselled |
| you all have underselled |
| they have underselled |
|
| I have been underselling |
| you have been underselling |
| he/she/it has been underselling |
| we have been underselling |
| you all have been underselling |
| they have been underselling |
|
| Präteritum |
| I underselled |
| you underselled |
| he/she/it underselled |
| we underselled |
| you all underselled |
| they underselled |
|
| I was underselling |
| you were underselling |
| he/she/it was underselling |
| we were underselling |
| you all were underselling |
| they were underselling |
|
| I had underselled |
| you had underselled |
| he/she/it had underselled |
| we had underselled |
| you all had underselled |
| they had underselled |
|
| I had been underselling |
| you had been underselling |
| he/she/it had been underselling |
| we had been underselling |
| you all had been underselling |
| they had been underselling |
|
| Futur |
| I will undersell |
| you will undersell |
| he/she/it will undersell |
| we will undersell |
| you all will undersell |
| they will undersell |
|
| I will be underselling |
| you will be underselling |
| he/she/it will be underselling |
| we are underselling |
| you all will be underselling |
| they will be underselling |
|
| I will have underselled |
| you will have underselled |
| he/she/it will have underselled |
| we will have underselled |
| you all will have underselled |
| they will have underselled |
|
| I will have been underselling |
| you will have been underselling |
| he/she/it will have been underselling |
| we will have been underselling |
| you all will have been underselling |
| they will have been underselling |
|
