| Simple | Progressive | Perfect | Progressive |
| Present |
| I dupe |
| you dupe |
| he/she/it dupes |
| we dupe |
| you all dupe |
| they dupe |
|
| I am duping |
| you are duping |
| he/she/it is duping |
| we are duping |
| you all are duping |
| they are duping |
|
| I have duped |
| you have duped |
| he/she/it has duped |
| we have duped |
| you all have duped |
| they have duped |
|
| I have been duping |
| you have been duping |
| he/she/it has been duping |
| we have been duping |
| you all have been duping |
| they have been duping |
|
| Past |
| I duped |
| you duped |
| he/she/it duped |
| we duped |
| you all duped |
| they duped |
|
| I was duping |
| you were duping |
| he/she/it was duping |
| we were duping |
| you all were duping |
| they were duping |
|
| I had duped |
| you had duped |
| he/she/it had duped |
| we had duped |
| you all had duped |
| they had duped |
|
| I had been duping |
| you had been duping |
| he/she/it had been duping |
| we had been duping |
| you all had been duping |
| they had been duping |
|
| Future |
| I will dupe |
| you will dupe |
| he/she/it will dupe |
| we will dupe |
| you all will dupe |
| they will dupe |
|
| I will be duping |
| you will be duping |
| he/she/it will be duping |
| we are duping |
| you all will be duping |
| they will be duping |
|
| I will have duped |
| you will have duped |
| he/she/it will have duped |
| we will have duped |
| you all will have duped |
| they will have duped |
|
| I will have been duping |
| you will have been duping |
| he/she/it will have been duping |
| we will have been duping |
| you all will have been duping |
| they will have been duping |
|
