| Present Tense | Past Tense | Future Tense |
|---|---|---|
| I crack | I cracked | I shall/will crack |
| We crack | We cracked | We shall/will crack |
| You crack | You cracked | You will crack |
| He cracks | He cracked | He will crack |
| She cracks | She cracked | She will crack |
| It cracks | It cracked | It will crack |
| They crack | They cracked | They will crack |
| Present Continuous | Past Continuous | Future Continuous |
|---|---|---|
| I am cracking | I was cracking | I shall/will be cracking |
| We are cracking | We were cracking | We shall/will be cracking |
| You are cracking | You were cracking | You will be cracking |
| He is cracking | He was cracking | He will be cracking |
| She is cracking | She was cracking | She will be cracking |
| It is cracking | It was cracking | It will be cracking |
| They are cracking | They were cracking | They will be cracking |
| Present Perfect | Past Perfect | Future Perfect |
|---|---|---|
| I have cracked | I had cracked | I shall/will have cracked |
| We have cracked | We had cracked | We shall/will have cracked |
| You have cracked | You had cracked | You will have cracked |
| He has cracked | He had cracked | He will have cracked |
| She has cracked | She had cracked | She will have cracked |
| It has cracked | It had cracked | It will have cracked |
| They have cracked | They had cracked | They will have cracked |
| Present Perfect Continuous | Past Perfect Continuous | Future Perfect Continuous |
|---|---|---|
| I have been cracking | I had been cracking | I shall/will have been cracking |
| We have been cracking | We had been cracking | We shall/will have been cracking |
| You have been cracking | You had been cracking | You will have been cracking |
| He has been cracking | He had been cracking | He will have been cracking |
| She has been cracking | She had been cracking | She will have been cracking |
| It has been cracking | It had been cracking | It will have been cracking |
| They have been cracking | They had been cracking | They will have been cracking |