| 1. | Base Form (Infinitive): | Crack |
| 2. | Simple Past: | Cracked |
| 3. | Past Participle: | Cracked |
| 4. | Present Participle: | Cracking |
| 5. | 3rd Person Singular: | Cracks |

Crack past tense
| Cracked |
| Cracked is the past tense of the word crack. |
Crack past participle
| Cracked |
| Cracked is the past participle of the word crack. |
Crack verb forms V1 V2 V3 V4
| Infinitive | Past Simple | Past Participle | Present Participle |
|---|---|---|---|
| Crack | Cracked | Cracked | Cracking |
Conjugation of Crack
| Simple / Indefinite Present Tense |
| I crack. |
| He/She/It cracks. |
| You/We/They crack. |
| Simple Past Tense |
| I cracked. |
| He/She/It cracked. |
| You/We/They cracked. |
| Simple Future Tense |
| I will/shall crack. |
| He/She/It will crack. |
| You/We/They will/shall crack. |
| Present Continuous Tense |
| I am cracking. |
| He/She/It is cracking. |
| You/We/They are cracking. |
| Past Continuous Tense |
| I was cracking. |
| He/She/It was cracking. |
| You/We/They were cracking. |
| Future Continuous Tense |
| I will be cracking. |
| He/She/It will be cracking. |
| You/We/They will be cracking. |
| Present Perfect Tense |
| I have cracked. |
| He/She/It has cracked. |
| You/We/They have cracked. |
| Past Perfect Tense |
| I had cracked. |
| He/She/It had cracked. |
| You/We/They had cracked. |
| Future Perfect Tense |
| I will have cracked. |
| He/She/It will have cracked. |
| You/We/They will have cracked. |
| Present Perfect Continuous Tense |
| I have been cracking. |
| He/She/It has been cracking. |
| You/We/They have been cracking. |
| Past Perfect Continuous Tense |
| I had been cracking. |
| He/She/It had been cracking. |
| You/We/They had been cracking. |
| Future Perfect Continuous Tense |
| I will have been cracking. |
| He/She/It will have been cracking. |
| You/We/They will have been cracking. |