| 1. | Base Form (Infinitive): | Scratch |
| 2. | Simple Past: | Scratched |
| 3. | Past Participle: | Scratched |
| 4. | Present Participle: | Scratching |
| 5. | 3rd Person Singular: | Scratches |

Scratch past tense
| Scratched |
| Scratched is the past tense of the word scratch. |
Scratch past participle
| Scratched |
| Scratched is the past participle of the word scratch. |
Scratch verb forms V1 V2 V3 V4
| Infinitive | Past Simple | Past Participle | Present Participle |
|---|---|---|---|
| Scratch | Scratched | Scratched | Scratching |
Conjugation of Scratch
| Simple / Indefinite Present Tense |
| I scratch. |
| He/She/It scratches. |
| You/We/They scratch. |
| Simple Past Tense |
| I scratched. |
| He/She/It scratched. |
| You/We/They scratched. |
| Simple Future Tense |
| I will/shall scratch. |
| He/She/It will scratch. |
| You/We/They will/shall scratch. |
| Present Continuous Tense |
| I am scratching. |
| He/She/It is scratching. |
| You/We/They are scratching. |
| Past Continuous Tense |
| I was scratching. |
| He/She/It was scratching. |
| You/We/They were scratching. |
| Future Continuous Tense |
| I will be scratching. |
| He/She/It will be scratching. |
| You/We/They will be scratching. |
| Present Perfect Tense |
| I have scratched. |
| He/She/It has scratched. |
| You/We/They have scratched. |
| Past Perfect Tense |
| I had scratched. |
| He/She/It had scratched. |
| You/We/They had scratched. |
| Future Perfect Tense |
| I will have scratched. |
| He/She/It will have scratched. |
| You/We/They will have scratched. |
| Present Perfect Continuous Tense |
| I have been scratching. |
| He/She/It has been scratching. |
| You/We/They have been scratching. |
| Past Perfect Continuous Tense |
| I had been scratching. |
| He/She/It had been scratching. |
| You/We/They had been scratching. |
| Future Perfect Continuous Tense |
| I will have been scratching. |
| He/She/It will have been scratching. |
| You/We/They will have been scratching. |
More verb past tense