| 1. | Base Form (Infinitive): | Back |
| 2. | Simple Past: | Backed |
| 3. | Past Participle: | Backed |
| 4. | Present Participle: | Backing |
| 5. | 3rd Person Singular: | Backs |

Back past tense
| Backed |
| Backed is the past tense of the word back. |
Back past participle
| Backed |
| Backed is the past participle of the word back. |
Back verb forms V1 V2 V3 V4
| Infinitive | Past Simple | Past Participle | Present Participle |
|---|---|---|---|
| Back | Backed | Backed | Backing |
Conjugation of Back
| Simple / Indefinite Present Tense |
| I back. |
| He/She/It backs. |
| You/We/They back. |
| Simple Past Tense |
| I backed. |
| He/She/It backed. |
| You/We/They backed. |
| Simple Future Tense |
| I will/shall back. |
| He/She/It will back. |
| You/We/They will/shall back. |
| Present Continuous Tense |
| I am backing. |
| He/She/It is backing. |
| You/We/They are backing. |
| Past Continuous Tense |
| I was backing. |
| He/She/It was backing. |
| You/We/They were backing. |
| Future Continuous Tense |
| I will be backing. |
| He/She/It will be backing. |
| You/We/They will be backing. |
| Present Perfect Tense |
| I have backed. |
| He/She/It has backed. |
| You/We/They have backed. |
| Past Perfect Tense |
| I had backed. |
| He/She/It had backed. |
| You/We/They had backed. |
| Future Perfect Tense |
| I will have backed. |
| He/She/It will have backed. |
| You/We/They will have backed. |
| Present Perfect Continuous Tense |
| I have been backing. |
| He/She/It has been backing. |
| You/We/They have been backing. |
| Past Perfect Continuous Tense |
| I had been backing. |
| He/She/It had been backing. |
| You/We/They had been backing. |
| Future Perfect Continuous Tense |
| I will have been backing. |
| He/She/It will have been backing. |
| You/We/They will have been backing. |
More verb past tense