| Simple | Progressive | Perfect | Progressive |
| Present |
| I smooth |
| you smooth |
| he/she/it smooths |
| we smooth |
| you all smooth |
| they smooth |
|
| I am smoothing |
| you are smoothing |
| he/she/it is smoothing |
| we are smoothing |
| you all are smoothing |
| they are smoothing |
|
| I have smoothed |
| you have smoothed |
| he/she/it has smoothed |
| we have smoothed |
| you all have smoothed |
| they have smoothed |
|
| I have been smoothing |
| you have been smoothing |
| he/she/it has been smoothing |
| we have been smoothing |
| you all have been smoothing |
| they have been smoothing |
|
| Past |
| I smoothed |
| you smoothed |
| he/she/it smoothed |
| we smoothed |
| you all smoothed |
| they smoothed |
|
| I was smoothing |
| you were smoothing |
| he/she/it was smoothing |
| we were smoothing |
| you all were smoothing |
| they were smoothing |
|
| I had smoothed |
| you had smoothed |
| he/she/it had smoothed |
| we had smoothed |
| you all had smoothed |
| they had smoothed |
|
| I had been smoothing |
| you had been smoothing |
| he/she/it had been smoothing |
| we had been smoothing |
| you all had been smoothing |
| they had been smoothing |
|
| Future |
| I will smooth |
| you will smooth |
| he/she/it will smooth |
| we will smooth |
| you all will smooth |
| they will smooth |
|
| I will be smoothing |
| you will be smoothing |
| he/she/it will be smoothing |
| we are smoothing |
| you all will be smoothing |
| they will be smoothing |
|
| I will have smoothed |
| you will have smoothed |
| he/she/it will have smoothed |
| we will have smoothed |
| you all will have smoothed |
| they will have smoothed |
|
| I will have been smoothing |
| you will have been smoothing |
| he/she/it will have been smoothing |
| we will have been smoothing |
| you all will have been smoothing |
| they will have been smoothing |
|
