| Simple | Progressive | Perfect | Progressive |
| Present |
| I understand |
| you understand |
| he/she/it understands |
| we understand |
| you all understand |
| they understand |
|
| I am understanding |
| you are understanding |
| he/she/it is understanding |
| we are understanding |
| you all are understanding |
| they are understanding |
|
| I have understood |
| you have understood |
| he/she/it has understood |
| we have understood |
| you all have understood |
| they have understood |
|
| I have been understanding |
| you have been understanding |
| he/she/it has been understanding |
| we have been understanding |
| you all have been understanding |
| they have been understanding |
|
| Past |
| I understood |
| you understood |
| he/she/it understood |
| we understood |
| you all understood |
| they understood |
|
| I was understanding |
| you were understanding |
| he/she/it was understanding |
| we were understanding |
| you all were understanding |
| they were understanding |
|
| I had understood |
| you had understood |
| he/she/it had understood |
| we had understood |
| you all had understood |
| they had understood |
|
| I had been understanding |
| you had been understanding |
| he/she/it had been understanding |
| we had been understanding |
| you all had been understanding |
| they had been understanding |
|
| Future |
| I will understand |
| you will understand |
| he/she/it will understand |
| we will understand |
| you all will understand |
| they will understand |
|
| I will be understanding |
| you will be understanding |
| he/she/it will be understanding |
| we are understanding |
| you all will be understanding |
| they will be understanding |
|
| I will have understood |
| you will have understood |
| he/she/it will have understood |
| we will have understood |
| you all will have understood |
| they will have understood |
|
| I will have been understanding |
| you will have been understanding |
| he/she/it will have been understanding |
| we will have been understanding |
| you all will have been understanding |
| they will have been understanding |
|
