| Simple | Progressive | Perfect | Progressive |
| Present |
| I foster |
| you foster |
| he/she/it fosters |
| we foster |
| you all foster |
| they foster |
|
| I am fostering |
| you are fostering |
| he/she/it is fostering |
| we are fostering |
| you all are fostering |
| they are fostering |
|
| I have fostered |
| you have fostered |
| he/she/it has fostered |
| we have fostered |
| you all have fostered |
| they have fostered |
|
| I have been fostering |
| you have been fostering |
| he/she/it has been fostering |
| we have been fostering |
| you all have been fostering |
| they have been fostering |
|
| Past |
| I fostered |
| you fostered |
| he/she/it fostered |
| we fostered |
| you all fostered |
| they fostered |
|
| I was fostering |
| you were fostering |
| he/she/it was fostering |
| we were fostering |
| you all were fostering |
| they were fostering |
|
| I had fostered |
| you had fostered |
| he/she/it had fostered |
| we had fostered |
| you all had fostered |
| they had fostered |
|
| I had been fostering |
| you had been fostering |
| he/she/it had been fostering |
| we had been fostering |
| you all had been fostering |
| they had been fostering |
|
| Future |
| I will foster |
| you will foster |
| he/she/it will foster |
| we will foster |
| you all will foster |
| they will foster |
|
| I will be fostering |
| you will be fostering |
| he/she/it will be fostering |
| we are fostering |
| you all will be fostering |
| they will be fostering |
|
| I will have fostered |
| you will have fostered |
| he/she/it will have fostered |
| we will have fostered |
| you all will have fostered |
| they will have fostered |
|
| I will have been fostering |
| you will have been fostering |
| he/she/it will have been fostering |
| we will have been fostering |
| you all will have been fostering |
| they will have been fostering |
|
