| Simple | Progressive | Perfect | Progressive |
| Present |
| I flunk |
| you flunk |
| he/she/it flunks |
| we flunk |
| you all flunk |
| they flunk |
|
| I am flunking |
| you are flunking |
| he/she/it is flunking |
| we are flunking |
| you all are flunking |
| they are flunking |
|
| I have flunked |
| you have flunked |
| he/she/it has flunked |
| we have flunked |
| you all have flunked |
| they have flunked |
|
| I have been flunking |
| you have been flunking |
| he/she/it has been flunking |
| we have been flunking |
| you all have been flunking |
| they have been flunking |
|
| Past |
| I flunked |
| you flunked |
| he/she/it flunked |
| we flunked |
| you all flunked |
| they flunked |
|
| I was flunking |
| you were flunking |
| he/she/it was flunking |
| we were flunking |
| you all were flunking |
| they were flunking |
|
| I had flunked |
| you had flunked |
| he/she/it had flunked |
| we had flunked |
| you all had flunked |
| they had flunked |
|
| I had been flunking |
| you had been flunking |
| he/she/it had been flunking |
| we had been flunking |
| you all had been flunking |
| they had been flunking |
|
| Future |
| I will flunk |
| you will flunk |
| he/she/it will flunk |
| we will flunk |
| you all will flunk |
| they will flunk |
|
| I will be flunking |
| you will be flunking |
| he/she/it will be flunking |
| we are flunking |
| you all will be flunking |
| they will be flunking |
|
| I will have flunked |
| you will have flunked |
| he/she/it will have flunked |
| we will have flunked |
| you all will have flunked |
| they will have flunked |
|
| I will have been flunking |
| you will have been flunking |
| he/she/it will have been flunking |
| we will have been flunking |
| you all will have been flunking |
| they will have been flunking |
|
