| Simple | Progressive | Perfect | Progressive |
| Present |
| I appal |
| you appal |
| he/she/it appals |
| we appal |
| you all appal |
| they appal |
|
| I am appaling |
| you are appaling |
| he/she/it is appaling |
| we are appaling |
| you all are appaling |
| they are appaling |
|
| I have appaled |
| you have appaled |
| he/she/it has appaled |
| we have appaled |
| you all have appaled |
| they have appaled |
|
| I have been appaling |
| you have been appaling |
| he/she/it has been appaling |
| we have been appaling |
| you all have been appaling |
| they have been appaling |
|
| Past |
| I appaled |
| you appaled |
| he/she/it appaled |
| we appaled |
| you all appaled |
| they appaled |
|
| I was appaling |
| you were appaling |
| he/she/it was appaling |
| we were appaling |
| you all were appaling |
| they were appaling |
|
| I had appaled |
| you had appaled |
| he/she/it had appaled |
| we had appaled |
| you all had appaled |
| they had appaled |
|
| I had been appaling |
| you had been appaling |
| he/she/it had been appaling |
| we had been appaling |
| you all had been appaling |
| they had been appaling |
|
| Future |
| I will appal |
| you will appal |
| he/she/it will appal |
| we will appal |
| you all will appal |
| they will appal |
|
| I will be appaling |
| you will be appaling |
| he/she/it will be appaling |
| we are appaling |
| you all will be appaling |
| they will be appaling |
|
| I will have appaled |
| you will have appaled |
| he/she/it will have appaled |
| we will have appaled |
| you all will have appaled |
| they will have appaled |
|
| I will have been appaling |
| you will have been appaling |
| he/she/it will have been appaling |
| we will have been appaling |
| you all will have been appaling |
| they will have been appaling |
|
