| Simple | Progressive | Perfect | Progressive |
| Present |
| I invoice |
| you invoice |
| he/she/it invoices |
| we invoice |
| you all invoice |
| they invoice |
|
| I am invoicing |
| you are invoicing |
| he/she/it is invoicing |
| we are invoicing |
| you all are invoicing |
| they are invoicing |
|
| I have invoiced |
| you have invoiced |
| he/she/it has invoiced |
| we have invoiced |
| you all have invoiced |
| they have invoiced |
|
| I have been invoicing |
| you have been invoicing |
| he/she/it has been invoicing |
| we have been invoicing |
| you all have been invoicing |
| they have been invoicing |
|
| Past |
| I invoiced |
| you invoiced |
| he/she/it invoiced |
| we invoiced |
| you all invoiced |
| they invoiced |
|
| I was invoicing |
| you were invoicing |
| he/she/it was invoicing |
| we were invoicing |
| you all were invoicing |
| they were invoicing |
|
| I had invoiced |
| you had invoiced |
| he/she/it had invoiced |
| we had invoiced |
| you all had invoiced |
| they had invoiced |
|
| I had been invoicing |
| you had been invoicing |
| he/she/it had been invoicing |
| we had been invoicing |
| you all had been invoicing |
| they had been invoicing |
|
| Future |
| I will invoice |
| you will invoice |
| he/she/it will invoice |
| we will invoice |
| you all will invoice |
| they will invoice |
|
| I will be invoicing |
| you will be invoicing |
| he/she/it will be invoicing |
| we are invoicing |
| you all will be invoicing |
| they will be invoicing |
|
| I will have invoiced |
| you will have invoiced |
| he/she/it will have invoiced |
| we will have invoiced |
| you all will have invoiced |
| they will have invoiced |
|
| I will have been invoicing |
| you will have been invoicing |
| he/she/it will have been invoicing |
| we will have been invoicing |
| you all will have been invoicing |
| they will have been invoicing |
|
