| Simple | Progressive | Perfect | Progressive |
| Present |
| I approximate |
| you approximate |
| he/she/it approximates |
| we approximate |
| you all approximate |
| they approximate |
|
| I am approximating |
| you are approximating |
| he/she/it is approximating |
| we are approximating |
| you all are approximating |
| they are approximating |
|
| I have approximated |
| you have approximated |
| he/she/it has approximated |
| we have approximated |
| you all have approximated |
| they have approximated |
|
| I have been approximating |
| you have been approximating |
| he/she/it has been approximating |
| we have been approximating |
| you all have been approximating |
| they have been approximating |
|
| Past |
| I approximated |
| you approximated |
| he/she/it approximated |
| we approximated |
| you all approximated |
| they approximated |
|
| I was approximating |
| you were approximating |
| he/she/it was approximating |
| we were approximating |
| you all were approximating |
| they were approximating |
|
| I had approximated |
| you had approximated |
| he/she/it had approximated |
| we had approximated |
| you all had approximated |
| they had approximated |
|
| I had been approximating |
| you had been approximating |
| he/she/it had been approximating |
| we had been approximating |
| you all had been approximating |
| they had been approximating |
|
| Future |
| I will approximate |
| you will approximate |
| he/she/it will approximate |
| we will approximate |
| you all will approximate |
| they will approximate |
|
| I will be approximating |
| you will be approximating |
| he/she/it will be approximating |
| we are approximating |
| you all will be approximating |
| they will be approximating |
|
| I will have approximated |
| you will have approximated |
| he/she/it will have approximated |
| we will have approximated |
| you all will have approximated |
| they will have approximated |
|
| I will have been approximating |
| you will have been approximating |
| he/she/it will have been approximating |
| we will have been approximating |
| you all will have been approximating |
| they will have been approximating |
|
