| 1. | Base Form (Infinitive): | Grin |
| 2. | Simple Past: | Grinned |
| 3. | Past Participle: | Grinned |
| 4. | Present Participle: | Grinning |
| 5. | 3rd Person Singular: | Grins |

Grin past tense
| Grinned |
| Grinned is the past tense of the word grin. |
Grin past participle
| Grinned |
| Grinned is the past participle of the word grin. |
Grin verb forms V1 V2 V3 V4
| Infinitive | Past Simple | Past Participle | Present Participle |
|---|---|---|---|
| Grin | Grinned | Grinned | Grinning |
Conjugation of Grin
| Simple / Indefinite Present Tense |
| I grin at her in a friendly way. |
| He/She/It grins at her in a friendly way. |
| You/We/They grin at her in a friendly way. |
| Simple Past Tense |
| I grinned at her in a friendly way. |
| He/She/It grinned at her in a friendly way. |
| You/We/They grinned at her in a friendly way. |
| Simple Future Tense |
| I will/shall grin at her in a friendly way. |
| He/She/It will grin at her in a friendly way. |
| You/We/They will/shallgrin at her in a friendly way. |
| Present Continuous Tense |
| I am grinning at her in a friendly way. |
| He/She/It is grinning at her in a friendly way. |
| You/We/They are grinning at her in a friendly way. |
| Past Continuous Tense |
| I was grinning at her in a friendly way. |
| He/She/It was grinning at her in a friendly way. |
| You/We/They were grinning at her in a friendly way. |
| Future Continuous Tense |
| I will be grinning at her in a friendly way. |
| He/She/It will be grinning at her in a friendly way. |
| You/We/They will be grinning at her in a friendly way. |
| Present Perfect Tense |
| I have grinned at her in a friendly way. |
| He/She/It has grinned at her in a friendly way. |
| You/We/They have grinned at her in a friendly way. |
| Past Perfect Tense |
| I had grinned at her in a friendly way. |
| He/She/It had grinned at her in a friendly way. |
| You/We/They had grinned at her in a friendly way. |
| Future Perfect Tense |
| I will have grinned at her in a friendly way. |
| He/She/It will have grinned at her in a friendly way. |
| You/We/They will have grinned at her in a friendly way. |
| Present Perfect Continuous Tense |
| I have been grinning at her in a friendly way. |
| He/She/It has been grinning at her in a friendly way. |
| You/We/They have been grinning at her in a friendly way. |
| Past Perfect Continuous Tense |
| I had beengrinning at her in a friendly way. |
| He/She/It had been grinning at her in a friendly way. |
| You/We/They had been grinning at her in a friendly way. |
| Future Perfect Continuous Tense |
| I will have been grinning at her in a friendly way. |
| He/She/It will have been grinning at her in a friendly way. |
| You/We/They will have been grinning at her in a friendly way. |