| 1. | Base Form (Infinitive): | Sing |
| 2. | Simple Past: | Sang |
| 3. | Past Participle: | Sung |
| 4. | Present Participle: | Singing |
| 5. | 3rd Person Singular: | Sings |

Sing past tense
| Sang |
| Sang is the past tense of the word sing. |
Sing past participle
| Sung |
| Sung is the past participle of the word sing. |
Sing verb forms V1 V2 V3 V4
| Infinitive | Past Simple | Past Participle | Present Participle |
|---|---|---|---|
| Sing | Sang | Sung | Singing |
Conjugation of Sing
| Simple / Indefinite Present Tense |
| I sing a song. |
| He/She/It sings a song. |
| You/We/They sing a song. |
| Simple Past Tense |
| I sang a song. |
| He/She/It sang a song. |
| You/We/They sang a song. |
| Simple Future Tense |
| I will/shall sing a song. |
| He/She/It will sing a song. |
| You/We/They will/shall sing a song. |
| Present Continuous Tense |
| I am singing a song. |
| He/She/It is singing a song. |
| You/We/They are singing a song. |
| Past Continuous Tense |
| I was singing a song. |
| He/She/It was singing a song. |
| You/We/They were singing a song. |
| Future Continuous Tense |
| I will be singing a song. |
| He/She/It will be singing a song. |
| You/We/They will be singing a song. |
| Present Perfect Tense |
| I have sung a song. |
| He/She/It has sung a song. |
| You/We/They have sung a song. |
| Past Perfect Tense |
| I had sung a song. |
| He/She/It had sung a song. |
| You/We/They had sung a song. |
| Future Perfect Tense |
| I will have sung a song. |
| He/She/It will have sung a song. |
| You/We/They will have sung a song. |
| Present Perfect Continuous Tense |
| I have been singing a song. |
| He/She/It has been singing a song. |
| You/We/They have been singing a song. |
| Past Perfect Continuous Tense |
| I had been singing a song. |
| He/She/It had been singing a song. |
| You/We/They had been singing a song. |
| Future Perfect Continuous Tense |
| I will have been singing a song. |
| He/She/It will have been singing a song. |
| You/We/They will have been singing a song. |