| 1. | Base Form (Infinitive): | Affect |
| 2. | Simple Past: | Affected |
| 3. | Past Participle: | Affected |
| 4. | Present Participle: | Affecting |
| 5. | 3rd Person Singular: | Affects |

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