| 1. | Base Form (Infinitive): | Fool |
| 2. | Simple Past: | Fooled |
| 3. | Past Participle: | Fooled |
| 4. | Present Participle: | Fooling |
| 5. | 3rd Person Singular: | Fools |

Fool past tense
| Fooled |
| Fooled is the past tense of the word fool. |
Fool past participle
| Fooled |
| Fooled is the past participle of the word fool. |
Fool verb forms V1 V2 V3 V4
| Infinitive | Past Simple | Past Participle | Present Participle |
|---|---|---|---|
| Fool | Fooled | Fooled | Fooling |
Conjugation of Fool
| Simple / Indefinite Present Tense |
| I fool him. |
| He/She/It fools him. |
| You/We/They fool him. |
| Simple Past Tense |
| I fooled him. |
| He/She/It fooled him. |
| You/We/They fooled him. |
| Simple Future Tense |
| I will/shall fool him. |
| He/She/It will fool him. |
| You/We/They will/shall fool him. |
| Present Continuous Tense |
| I am fooling him. |
| He/She/It is fooling him. |
| You/We/They are fooling him. |
| Past Continuous Tense |
| I was fooling him. |
| He/She/It was fooling him. |
| You/We/They were fooling him. |
| Future Continuous Tense |
| I will be fooling him. |
| He/She/It will be fooling him. |
| You/We/They will be fooling him. |
| Present Perfect Tense |
| I have fooled him. |
| He/She/It has fooled him. |
| You/We/They have fooled him. |
| Past Perfect Tense |
| I had fooled him. |
| He/She/It had fooled him. |
| You/We/They had fooled him. |
| Future Perfect Tense |
| I will have fooled him. |
| He/She/It will have fooled him. |
| You/We/They will have fooled him. |
| Present Perfect Continuous Tense |
| I have been fooling him. |
| He/She/It has been fooling him. |
| You/We/They have been fooling him. |
| Past Perfect Continuous Tense |
| I had been fooling him. |
| He/She/It had been fooling him. |
| You/We/They had been fooling him. |
| Future Perfect Continuous Tense |
| I will have been fooling him. |
| He/She/It will have been fooling him. |
| You/We/They will have been fooling him. |