| Simple | Progressive | Perfect | Progressive |
| Present |
| I modulate |
| you modulate |
| he/she/it modulates |
| we modulate |
| you all modulate |
| they modulate |
|
| I am modulating |
| you are modulating |
| he/she/it is modulating |
| we are modulating |
| you all are modulating |
| they are modulating |
|
| I have modulated |
| you have modulated |
| he/she/it has modulated |
| we have modulated |
| you all have modulated |
| they have modulated |
|
| I have been modulating |
| you have been modulating |
| he/she/it has been modulating |
| we have been modulating |
| you all have been modulating |
| they have been modulating |
|
| Past |
| I modulated |
| you modulated |
| he/she/it modulated |
| we modulated |
| you all modulated |
| they modulated |
|
| I was modulating |
| you were modulating |
| he/she/it was modulating |
| we were modulating |
| you all were modulating |
| they were modulating |
|
| I had modulated |
| you had modulated |
| he/she/it had modulated |
| we had modulated |
| you all had modulated |
| they had modulated |
|
| I had been modulating |
| you had been modulating |
| he/she/it had been modulating |
| we had been modulating |
| you all had been modulating |
| they had been modulating |
|
| Future |
| I will modulate |
| you will modulate |
| he/she/it will modulate |
| we will modulate |
| you all will modulate |
| they will modulate |
|
| I will be modulating |
| you will be modulating |
| he/she/it will be modulating |
| we are modulating |
| you all will be modulating |
| they will be modulating |
|
| I will have modulated |
| you will have modulated |
| he/she/it will have modulated |
| we will have modulated |
| you all will have modulated |
| they will have modulated |
|
| I will have been modulating |
| you will have been modulating |
| he/she/it will have been modulating |
| we will have been modulating |
| you all will have been modulating |
| they will have been modulating |
|
