| 1. | Base Form (Infinitive): | Whistle |
| 2. | Simple Past: | Whistled |
| 3. | Past Participle: | Whistled |
| 4. | Present Participle: | Whistling |
| 5. | 3rd Person Singular: | Whistles |

Whistle past tense
| Whistled |
| Whistled is the past tense of the word whistle. |
Whistle past participle
| Whistled |
| Whistled is the past participle of the word whistle. |
Whistle verb forms V1 V2 V3 V4
| Infinitive | Past Simple | Past Participle | Present Participle |
|---|---|---|---|
| Whistle | Whistled | Whistled | Whistling |
Conjugation of Whistle
| Simple / Indefinite Present Tense |
| I whistle. |
| He/She/It whistles. |
| You/We/They whistle. |
| Simple Past Tense |
| I whistled. |
| He/She/It whistled. |
| You/We/They whistled. |
| Simple Future Tense |
| I will/shall whistle. |
| He/She/It will whistle. |
| You/We/They will/shall whistle. |
| Present Continuous Tense |
| I am whistling. |
| He/She/It is whistling. |
| You/We/They are whistling. |
| Past Continuous Tense |
| I was whistling. |
| He/She/It was whistling. |
| You/We/They were whistling. |
| Future Continuous Tense |
| I will be whistling. |
| He/She/It will be whistling. |
| You/We/They will be whistling. |
| Present Perfect Tense |
| I have whistled. |
| He/She/It has whistled. |
| You/We/They have whistled. |
| Past Perfect Tense |
| I had whistled. |
| He/She/It had whistled. |
| You/We/They had whistled. |
| Future Perfect Tense |
| I will have whistled. |
| He/She/It will have whistled. |
| You/We/They will have whistled. |
| Present Perfect Continuous Tense |
| I have been whistling. |
| He/She/It has been whistling. |
| You/We/They have been whistling. |
| Past Perfect Continuous Tense |
| I had been whistling. |
| He/She/It had been whistling. |
| You/We/They had been whistling. |
| Future Perfect Continuous Tense |
| I will have been whistling. |
| He/She/It will have been whistling. |
| You/We/They will have been whistling. |
More verb past tense