| 1. | Base Form (Infinitive): | Stammer |
| 2. | Simple Past: | Stammered |
| 3. | Past Participle: | Stammered |
| 4. | Present Participle: | Stammering |
| 5. | 3rd Person Singular: | Stammers |

Stammer past tense
| Stammered |
| Stammered is the past tense of the word stammer. |
Stammer past participle
| Stammered |
| Stammered is the past participle of the word stammer. |
Stammer verb forms V1 V2 V3 V4
| Infinitive | Past Simple | Past Participle | Present Participle |
|---|---|---|---|
| Stammer | Stammered | Stammered | Stammering |
Conjugation of Flap
| Simple / Indefinite Present Tense |
| I stammer. |
| He/She/It stammers. |
| You/We/They stammer. |
| Simple Past Tense |
| I stammered. |
| He/She/It stammered. |
| You/We/They stammered. |
| Simple Future Tense |
| I will/shall stammer. |
| He/She/It will stammer. |
| You/We/They will/shall stammer. |
| Present Continuous Tense |
| I am stammering. |
| He/She/It is stammering. |
| You/We/They are stammering. |
| Past Continuous Tense |
| I was stammering. |
| He/She/It was stammering. |
| You/We/They were stammering. |
| Future Continuous Tense |
| I will be stammering. |
| He/She/It will be stammering. |
| You/We/They will be stammering. |
| Present Perfect Tense |
| I have stammered. |
| He/She/It has stammered. |
| You/We/They have stammered. |
| Past Perfect Tense |
| I had stammered. |
| He/She/It had stammered. |
| You/We/They had stammered. |
| Future Perfect Tense |
| I will have stammered. |
| He/She/It will have stammered. |
| You/We/They will have stammered. |
| Present Perfect Continuous Tense |
| I have been stammering. |
| He/She/It has been stammering. |
| You/We/They have been stammering. |
| Past Perfect Continuous Tense |
| I had been stammering. |
| He/She/It had been stammering. |
| You/We/They had been stammering. |
| Future Perfect Continuous Tense |
| I will have been stammering. |
| He/She/It will have been stammering. |
| You/We/They will have been stammering. |
More verb past tense