| Simple | Progressive | Perfect | Progressive |
| Present |
| I classify |
| you classify |
| he/she/it classifies |
| we classify |
| you all classify |
| they classify |
|
| I am classifying |
| you are classifying |
| he/she/it is classifying |
| we are classifying |
| you all are classifying |
| they are classifying |
|
| I have classified |
| you have classified |
| he/she/it has classified |
| we have classified |
| you all have classified |
| they have classified |
|
| I have been classifying |
| you have been classifying |
| he/she/it has been classifying |
| we have been classifying |
| you all have been classifying |
| they have been classifying |
|
| Past |
| I classified |
| you classified |
| he/she/it classified |
| we classified |
| you all classified |
| they classified |
|
| I was classifying |
| you were classifying |
| he/she/it was classifying |
| we were classifying |
| you all were classifying |
| they were classifying |
|
| I had classified |
| you had classified |
| he/she/it had classified |
| we had classified |
| you all had classified |
| they had classified |
|
| I had been classifying |
| you had been classifying |
| he/she/it had been classifying |
| we had been classifying |
| you all had been classifying |
| they had been classifying |
|
| Future |
| I will classify |
| you will classify |
| he/she/it will classify |
| we will classify |
| you all will classify |
| they will classify |
|
| I will be classifying |
| you will be classifying |
| he/she/it will be classifying |
| we are classifying |
| you all will be classifying |
| they will be classifying |
|
| I will have classified |
| you will have classified |
| he/she/it will have classified |
| we will have classified |
| you all will have classified |
| they will have classified |
|
| I will have been classifying |
| you will have been classifying |
| he/she/it will have been classifying |
| we will have been classifying |
| you all will have been classifying |
| they will have been classifying |
|
