| 1. | Base Form (Infinitive): | Stain |
| 2. | Simple Past: | Stained |
| 3. | Past Participle: | Stained |
| 4. | Present Participle: | Staining |
| 5. | 3rd Person Singular: | Stains |

Stain past tense
| Stained |
| Stained is the past tense of the word stain. |
Stain past participle
| Stained |
| Stained is the past participle of the word stain. |
Stain verb forms V1 V2 V3 V4
| Infinitive | Past Simple | Past Participle | Present Participle |
|---|---|---|---|
| Stain | Stained | Stained | Staining |
Conjugation of Stain
| Simple / Indefinite Present Tense |
| I stain. |
| He/She/It stains. |
| You/We/They stain. |
| Simple Past Tense |
| I stained. |
| He/She/It stained. |
| You/We/They stained. |
| Simple Future Tense |
| I will/shall stain. |
| He/She/It will stain. |
| You/We/They will/shall stain. |
| Present Continuous Tense |
| I am staining. |
| He/She/It is staining. |
| You/We/They are staining. |
| Past Continuous Tense |
| I was staining. |
| He/She/It was staining. |
| You/We/They were staining. |
| Future Continuous Tense |
| I will be staining. |
| He/She/It will be staining. |
| You/We/They will be staining. |
| Present Perfect Tense |
| I have stained. |
| He/She/It has stained. |
| You/We/They have stained. |
| Past Perfect Tense |
| I had stained. |
| He/She/It had stained. |
| You/We/They had stained. |
| Future Perfect Tense |
| I will have stained. |
| He/She/It will have stained. |
| You/We/They will have stained. |
| Present Perfect Continuous Tense |
| I have been staining. |
| He/She/It has been staining. |
| You/We/They have been staining. |
| Past Perfect Continuous Tense |
| I had been staining. |
| He/She/It had been staining. |
| You/We/They had been staining. |
| Future Perfect Continuous Tense |
| I will have been staining. |
| He/She/It will have been staining. |
| You/We/They will have been staining. |
More verb past tense