| Simple | Progressive | Perfect | Progressive |
| Present |
| I retain |
| you retain |
| he/she/it retains |
| we retain |
| you all retain |
| they retain |
|
| I am retaining |
| you are retaining |
| he/she/it is retaining |
| we are retaining |
| you all are retaining |
| they are retaining |
|
| I have retained |
| you have retained |
| he/she/it has retained |
| we have retained |
| you all have retained |
| they have retained |
|
| I have been retaining |
| you have been retaining |
| he/she/it has been retaining |
| we have been retaining |
| you all have been retaining |
| they have been retaining |
|
| Past |
| I retained |
| you retained |
| he/she/it retained |
| we retained |
| you all retained |
| they retained |
|
| I was retaining |
| you were retaining |
| he/she/it was retaining |
| we were retaining |
| you all were retaining |
| they were retaining |
|
| I had retained |
| you had retained |
| he/she/it had retained |
| we had retained |
| you all had retained |
| they had retained |
|
| I had been retaining |
| you had been retaining |
| he/she/it had been retaining |
| we had been retaining |
| you all had been retaining |
| they had been retaining |
|
| Future |
| I will retain |
| you will retain |
| he/she/it will retain |
| we will retain |
| you all will retain |
| they will retain |
|
| I will be retaining |
| you will be retaining |
| he/she/it will be retaining |
| we are retaining |
| you all will be retaining |
| they will be retaining |
|
| I will have retained |
| you will have retained |
| he/she/it will have retained |
| we will have retained |
| you all will have retained |
| they will have retained |
|
| I will have been retaining |
| you will have been retaining |
| he/she/it will have been retaining |
| we will have been retaining |
| you all will have been retaining |
| they will have been retaining |
|
