| Simple | Progressive | Perfect | Progressive |
| Present |
| I forestall |
| you forestall |
| he/she/it forestalls |
| we forestall |
| you all forestall |
| they forestall |
|
| I am forestalling |
| you are forestalling |
| he/she/it is forestalling |
| we are forestalling |
| you all are forestalling |
| they are forestalling |
|
| I have forestalled |
| you have forestalled |
| he/she/it has forestalled |
| we have forestalled |
| you all have forestalled |
| they have forestalled |
|
| I have been forestalling |
| you have been forestalling |
| he/she/it has been forestalling |
| we have been forestalling |
| you all have been forestalling |
| they have been forestalling |
|
| Past |
| I forestalled |
| you forestalled |
| he/she/it forestalled |
| we forestalled |
| you all forestalled |
| they forestalled |
|
| I was forestalling |
| you were forestalling |
| he/she/it was forestalling |
| we were forestalling |
| you all were forestalling |
| they were forestalling |
|
| I had forestalled |
| you had forestalled |
| he/she/it had forestalled |
| we had forestalled |
| you all had forestalled |
| they had forestalled |
|
| I had been forestalling |
| you had been forestalling |
| he/she/it had been forestalling |
| we had been forestalling |
| you all had been forestalling |
| they had been forestalling |
|
| Future |
| I will forestall |
| you will forestall |
| he/she/it will forestall |
| we will forestall |
| you all will forestall |
| they will forestall |
|
| I will be forestalling |
| you will be forestalling |
| he/she/it will be forestalling |
| we are forestalling |
| you all will be forestalling |
| they will be forestalling |
|
| I will have forestalled |
| you will have forestalled |
| he/she/it will have forestalled |
| we will have forestalled |
| you all will have forestalled |
| they will have forestalled |
|
| I will have been forestalling |
| you will have been forestalling |
| he/she/it will have been forestalling |
| we will have been forestalling |
| you all will have been forestalling |
| they will have been forestalling |
|
