| Simple | Progressive | Perfect | Progressive |
| Present |
| I firm |
| you firm |
| he/she/it firms |
| we firm |
| you all firm |
| they firm |
|
| I am firming |
| you are firming |
| he/she/it is firming |
| we are firming |
| you all are firming |
| they are firming |
|
| I have firmed |
| you have firmed |
| he/she/it has firmed |
| we have firmed |
| you all have firmed |
| they have firmed |
|
| I have been firming |
| you have been firming |
| he/she/it has been firming |
| we have been firming |
| you all have been firming |
| they have been firming |
|
| Past |
| I firmed |
| you firmed |
| he/she/it firmed |
| we firmed |
| you all firmed |
| they firmed |
|
| I was firming |
| you were firming |
| he/she/it was firming |
| we were firming |
| you all were firming |
| they were firming |
|
| I had firmed |
| you had firmed |
| he/she/it had firmed |
| we had firmed |
| you all had firmed |
| they had firmed |
|
| I had been firming |
| you had been firming |
| he/she/it had been firming |
| we had been firming |
| you all had been firming |
| they had been firming |
|
| Future |
| I will firm |
| you will firm |
| he/she/it will firm |
| we will firm |
| you all will firm |
| they will firm |
|
| I will be firming |
| you will be firming |
| he/she/it will be firming |
| we are firming |
| you all will be firming |
| they will be firming |
|
| I will have firmed |
| you will have firmed |
| he/she/it will have firmed |
| we will have firmed |
| you all will have firmed |
| they will have firmed |
|
| I will have been firming |
| you will have been firming |
| he/she/it will have been firming |
| we will have been firming |
| you all will have been firming |
| they will have been firming |
|
