| Simple | Progressive | Perfect | Progressive |
| Present |
| I collimate |
| you collimate |
| he/she/it collimates |
| we collimate |
| you all collimate |
| they collimate |
|
| I am collimating |
| you are collimating |
| he/she/it is collimating |
| we are collimating |
| you all are collimating |
| they are collimating |
|
| I have collimated |
| you have collimated |
| he/she/it has collimated |
| we have collimated |
| you all have collimated |
| they have collimated |
|
| I have been collimating |
| you have been collimating |
| he/she/it has been collimating |
| we have been collimating |
| you all have been collimating |
| they have been collimating |
|
| Past |
| I collimated |
| you collimated |
| he/she/it collimated |
| we collimated |
| you all collimated |
| they collimated |
|
| I was collimating |
| you were collimating |
| he/she/it was collimating |
| we were collimating |
| you all were collimating |
| they were collimating |
|
| I had collimated |
| you had collimated |
| he/she/it had collimated |
| we had collimated |
| you all had collimated |
| they had collimated |
|
| I had been collimating |
| you had been collimating |
| he/she/it had been collimating |
| we had been collimating |
| you all had been collimating |
| they had been collimating |
|
| Future |
| I will collimate |
| you will collimate |
| he/she/it will collimate |
| we will collimate |
| you all will collimate |
| they will collimate |
|
| I will be collimating |
| you will be collimating |
| he/she/it will be collimating |
| we are collimating |
| you all will be collimating |
| they will be collimating |
|
| I will have collimated |
| you will have collimated |
| he/she/it will have collimated |
| we will have collimated |
| you all will have collimated |
| they will have collimated |
|
| I will have been collimating |
| you will have been collimating |
| he/she/it will have been collimating |
| we will have been collimating |
| you all will have been collimating |
| they will have been collimating |
|
