| Simple | Progressive | Perfect | Progressive |
| Present |
| I interpolate |
| you interpolate |
| he/she/it interpolates |
| we interpolate |
| you all interpolate |
| they interpolate |
|
| I am interpolating |
| you are interpolating |
| he/she/it is interpolating |
| we are interpolating |
| you all are interpolating |
| they are interpolating |
|
| I have interpolated |
| you have interpolated |
| he/she/it has interpolated |
| we have interpolated |
| you all have interpolated |
| they have interpolated |
|
| I have been interpolating |
| you have been interpolating |
| he/she/it has been interpolating |
| we have been interpolating |
| you all have been interpolating |
| they have been interpolating |
|
| Past |
| I interpolated |
| you interpolated |
| he/she/it interpolated |
| we interpolated |
| you all interpolated |
| they interpolated |
|
| I was interpolating |
| you were interpolating |
| he/she/it was interpolating |
| we were interpolating |
| you all were interpolating |
| they were interpolating |
|
| I had interpolated |
| you had interpolated |
| he/she/it had interpolated |
| we had interpolated |
| you all had interpolated |
| they had interpolated |
|
| I had been interpolating |
| you had been interpolating |
| he/she/it had been interpolating |
| we had been interpolating |
| you all had been interpolating |
| they had been interpolating |
|
| Future |
| I will interpolate |
| you will interpolate |
| he/she/it will interpolate |
| we will interpolate |
| you all will interpolate |
| they will interpolate |
|
| I will be interpolating |
| you will be interpolating |
| he/she/it will be interpolating |
| we are interpolating |
| you all will be interpolating |
| they will be interpolating |
|
| I will have interpolated |
| you will have interpolated |
| he/she/it will have interpolated |
| we will have interpolated |
| you all will have interpolated |
| they will have interpolated |
|
| I will have been interpolating |
| you will have been interpolating |
| he/she/it will have been interpolating |
| we will have been interpolating |
| you all will have been interpolating |
| they will have been interpolating |
|
