| Simple | Progressive | Perfect | Progressive |
Present |
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 |
|
Past |
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 |
|
Future |
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 |
|