| 1. | Base Form (Infinitive): | Smooth |
| 2. | Simple Past: | Smoothed |
| 3. | Past Participle: | Smoothed |
| 4. | Present Participle: | Smoothing |
| 5. | 3rd Person Singular: | Smooths |

Smooth past tense
| Smoothed |
| Smoothed is the past tense of the word smooth. |
Smooth past participle
| Smoothed |
| Smoothed is the past participle of the word smooth. |
Smooth verb forms V1 V2 V3 V4
| Infinitive | Past Simple | Past Participle | Present Participle |
|---|---|---|---|
| Smooth | Smoothed | Smoothed | Smoothing |
Conjugation of Smooth
| Simple / Indefinite Present Tense |
| I smooth. |
| He/She/It smooths. |
| You/We/They smooth. |
| Simple Past Tense |
| I smoothed. |
| He/She/It smoothed. |
| You/We/They smoothed. |
| Simple Future Tense |
| I will/shall smooth. |
| He/She/It will smooth. |
| You/We/They will/shall smooth. |
| Present Continuous Tense |
| I am smoothing. |
| He/She/It is smoothing. |
| You/We/They are smoothing. |
| Past Continuous Tense |
| I was smoothing. |
| He/She/It was smoothing. |
| You/We/They were smoothing. |
| Future Continuous Tense |
| I will be smoothing. |
| He/She/It will be smoothing. |
| You/We/They will be smoothing. |
| Present Perfect Tense |
| I have smoothed. |
| He/She/It has smoothed. |
| You/We/They have smoothed. |
| Past Perfect Tense |
| I had smoothed. |
| He/She/It had smoothed. |
| You/We/They had smoothed. |
| Future Perfect Tense |
| I will have smoothed. |
| He/She/It will have smoothed. |
| You/We/They will have smoothed. |
| Present Perfect Continuous Tense |
| I have been smoothing. |
| He/She/It has been smoothing. |
| You/We/They have been smoothing. |
| Past Perfect Continuous Tense |
| I had been smoothing. |
| He/She/It had been smoothing. |
| You/We/They had been smoothing. |
| Future Perfect Continuous Tense |
| I will have been smoothing. |
| He/She/It will have been smoothing. |
| You/We/They will have been smoothing. |
More verb past tense