| 1. | Base Form (Infinitive): | Have |
| 2. | Simple Past: | Had |
| 3. | Past Participle: | Had |
| 4. | Present Participle: | Having |
| 5. | 3rd Person Singular: | Has |

Have past tense
| Had |
| Had is the past tense of the word have. |
Have past participle
| Had |
| Had is the past participle of the word have. |
Have verb forms V1 V2 V3 V4
| Infinitive | Past Simple | Past Participle | Present Participle |
|---|---|---|---|
| Have | Had | Had | Having |
Conjugation of Have
| Simple / Indefinite Present Tense |
| I have. |
| He/She/It has. |
| You/We/They have. |
| Simple Past Tense |
| I had. |
| He/She/It had. |
| You/We/They had. |
| Simple Future Tense |
| I will/shall have. |
| He/She/It will have. |
| You/We/They will/shall have. |
| Present Continuous Tense |
| I am having. |
| He/She/It is having. |
| You/We/They are having. |
| Past Continuous Tense |
| I was having. |
| He/She/It was having. |
| You/We/They were having. |
| Future Continuous Tense |
| I will be having. |
| He/She/It will be having. |
| You/We/They will be having. |
| Present Perfect Tense |
| I have had. |
| He/She/It has had. |
| You/We/They have had. |
| Past Perfect Tense |
| I had had. |
| He/She/It had had. |
| You/We/They had had. |
| Future Perfect Tense |
| I will have had. |
| He/She/It will have had. |
| You/We/They will have had. |
| Present Perfect Continuous Tense |
| I have been having |
| He/She/It has been having. |
| You/We/They have been having. |
| Past Perfect Continuous Tense |
| I had been having. |
| He/She/It had been having. |
| You/We/They had been having. |
| Future Perfect Continuous Tense |
| I will have been having. |
| He/She/It will have been having. |
| You/We/They will have been having. |