| Simple | Progressive | Perfect | Progressive |
| Present |
| I invalidate |
| you invalidate |
| he/she/it invalidates |
| we invalidate |
| you all invalidate |
| they invalidate |
|
| I am invalidating |
| you are invalidating |
| he/she/it is invalidating |
| we are invalidating |
| you all are invalidating |
| they are invalidating |
|
| I have invalidated |
| you have invalidated |
| he/she/it has invalidated |
| we have invalidated |
| you all have invalidated |
| they have invalidated |
|
| I have been invalidating |
| you have been invalidating |
| he/she/it has been invalidating |
| we have been invalidating |
| you all have been invalidating |
| they have been invalidating |
|
| Past |
| I invalidated |
| you invalidated |
| he/she/it invalidated |
| we invalidated |
| you all invalidated |
| they invalidated |
|
| I was invalidating |
| you were invalidating |
| he/she/it was invalidating |
| we were invalidating |
| you all were invalidating |
| they were invalidating |
|
| I had invalidated |
| you had invalidated |
| he/she/it had invalidated |
| we had invalidated |
| you all had invalidated |
| they had invalidated |
|
| I had been invalidating |
| you had been invalidating |
| he/she/it had been invalidating |
| we had been invalidating |
| you all had been invalidating |
| they had been invalidating |
|
| Future |
| I will invalidate |
| you will invalidate |
| he/she/it will invalidate |
| we will invalidate |
| you all will invalidate |
| they will invalidate |
|
| I will be invalidating |
| you will be invalidating |
| he/she/it will be invalidating |
| we are invalidating |
| you all will be invalidating |
| they will be invalidating |
|
| I will have invalidated |
| you will have invalidated |
| he/she/it will have invalidated |
| we will have invalidated |
| you all will have invalidated |
| they will have invalidated |
|
| I will have been invalidating |
| you will have been invalidating |
| he/she/it will have been invalidating |
| we will have been invalidating |
| you all will have been invalidating |
| they will have been invalidating |
|
