| Simple | Progressive | Perfect | Progressive |
| Present |
| I redouble |
| you redouble |
| he/she/it redoubles |
| we redouble |
| you all redouble |
| they redouble |
|
| I am redoubling |
| you are redoubling |
| he/she/it is redoubling |
| we are redoubling |
| you all are redoubling |
| they are redoubling |
|
| I have redoubled |
| you have redoubled |
| he/she/it has redoubled |
| we have redoubled |
| you all have redoubled |
| they have redoubled |
|
| I have been redoubling |
| you have been redoubling |
| he/she/it has been redoubling |
| we have been redoubling |
| you all have been redoubling |
| they have been redoubling |
|
| Past |
| I redoubled |
| you redoubled |
| he/she/it redoubled |
| we redoubled |
| you all redoubled |
| they redoubled |
|
| I was redoubling |
| you were redoubling |
| he/she/it was redoubling |
| we were redoubling |
| you all were redoubling |
| they were redoubling |
|
| I had redoubled |
| you had redoubled |
| he/she/it had redoubled |
| we had redoubled |
| you all had redoubled |
| they had redoubled |
|
| I had been redoubling |
| you had been redoubling |
| he/she/it had been redoubling |
| we had been redoubling |
| you all had been redoubling |
| they had been redoubling |
|
| Future |
| I will redouble |
| you will redouble |
| he/she/it will redouble |
| we will redouble |
| you all will redouble |
| they will redouble |
|
| I will be redoubling |
| you will be redoubling |
| he/she/it will be redoubling |
| we are redoubling |
| you all will be redoubling |
| they will be redoubling |
|
| I will have redoubled |
| you will have redoubled |
| he/she/it will have redoubled |
| we will have redoubled |
| you all will have redoubled |
| they will have redoubled |
|
| I will have been redoubling |
| you will have been redoubling |
| he/she/it will have been redoubling |
| we will have been redoubling |
| you all will have been redoubling |
| they will have been redoubling |
|
