| 1. | Base Form (Infinitive): | Increase |
| 2. | Simple Past: | Increased |
| 3. | Past Participle: | Increased |
| 4. | Present Participle: | Increasing |
| 5. | 3rd Person Singular: | Increasees |

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