| 1. | Base Form (Infinitive): | Need |
| 2. | Simple Past: | Needed |
| 3. | Past Participle: | Needed |
| 4. | Present Participle: | Needing |
| 5. | 3rd Person Singular: | Needs |

Need past tense
| Needed |
| Needed is the past tense of the word need. |
Need past participle
| Needed |
| Needed is the past participle of the word need. |
Need verb forms V1 V2 V3 V4
| Infinitive | Past Simple | Past Participle | Present Participle |
|---|---|---|---|
| Need | Needed | Needed | Needing |
Conjugation of Need
| Simple / Indefinite Present Tense |
| I need proof. |
| He/She/It needs proof. |
| You/We/They need proof. |
| Simple Past Tense |
| I needed proof. |
| He/She/It needed proof. |
| You/We/They needed proof. |
| Simple Future Tense |
| I will/shall need proof. |
| He/She/It will need proof. |
| You/We/They will/shall need proof. |
| Present Continuous Tense |
| I am needing proof. |
| He/She/It is needing proof. |
| You/We/They are needing proof. |
| Past Continuous Tense |
| I was needing proof. |
| He/She/It was needing proof. |
| You/We/They were needing proof. |
| Future Continuous Tense |
| I will be needing proof. |
| He/She/It will be needing proof. |
| You/We/They will be needing proof. |
| Present Perfect Tense |
| I have needed proof. |
| He/She/It has needed proof. |
| You/We/They have needed proof. |
| Past Perfect Tense |
| I had needed proof. |
| He/She/It had needed proof. |
| You/We/They had needed proof. |
| Future Perfect Tense |
| I will have needed proof. |
| He/She/It will have needed proof. |
| You/We/They will have needed proof. |
| Present Perfect Continuous Tense |
| I have been needing proof. |
| He/She/It has been needing proof. |
| You/We/They have been needing proof. |
| Past Perfect Continuous Tense |
| I had been needing proof. |
| He/She/It had been needing proof. |
| You/We/They had been needing proof. |
| Future Perfect Continuous Tense |
| I will have been needing proof. |
| He/She/It will have been needing proof. |
| You/We/They will have been needing proof. |