| Yksikön ensimmäinen persoona | Yksikön toinen persoona | Yksikön kolmas persoona | Monikon ensimmäinen persoona | Monikon toinen persoona | Monikon kolmas persoona | |
|---|---|---|---|---|---|---|
| Simple present | crumble | crumble | crumbles | crumble | crumble | crumble |
| Present continuous | am crumbling | are crumbling | is crumbling | are crumbling | are crumbling | are crumbling |
| Simple past | crumbled | crumbled | crumbled | crumbled | crumbled | crumbled |
| Simple past | was crumbling | were crumbling | was crumbling | were crumbling | were crumbling | were crumbling |
| Simple future | will crumble | will crumble | will crumble | will crumble | will crumble | will crumble |
| Future continuous | will be crumbling | will be crumbling | will be crumbling | will be crumbling | will be crumbling | will be crumbling |
| Present perfect | have crumbled | have crumbled | has crumbled | have crumbled | have crumbled | have crumbled |
| Present perfect continuous | have been crumbling | have been crumbling | has been crumbling | have been crumbling | have been crumbling | have been crumbling |
| Past perfect | had crumbled | had crumbled | had crumbled | had crumbled | had crumbled | had crumbled |
| Past perfect continuous | had been crumbling | had been crumbling | had been crumbling | had been crumbling | had been crumbling | had been crumbling |
| Future perfect | will have crumbled | will have crumbled | will have crumbled | will have crumbled | will have crumbled | will have crumbled |
| Future perfect continuous | will have been crumbling | will have been crumbling | will have been crumbling | will have been crumbling | will have been crumbling | will have been crumbling |
| Yksikön ensimmäinen persoona | Yksikön toinen persoona | Yksikön kolmas persoona | Monikon ensimmäinen persoona | Monikon toinen persoona | Monikon kolmas persoona | |
|---|---|---|---|---|---|---|
| Simple present | don't crumble | don't crumble | doesn't crumble | don't crumble | don't crumble | don't crumble |
| Present continuous | am not crumbling | are not crumbling | is not crumbling | are not crumbling | are not crumbling | are not crumbling |
| Simple past | didn't crumble | didn't crumble | didn't crumble | didn't crumble | didn't crumble | didn't crumble |
| Simple past | was not crumbling | were not crumbling | was not crumbling | were not crumbling | were not crumbling | were not crumbling |
| Simple future | won't crumble | won't crumble | won't crumble | won't crumble | won't crumble | won't crumble |
| Future continuous | will not be crumbling | will not be crumbling | will not be crumbling | will not be crumbling | will not be crumbling | will not be crumbling |
| Present perfect | have not crumbled | have not crumbled | has not crumbled | have not crumbled | have not crumbled | have not crumbled |
| Present perfect continuous | have not been crumbling | have not been crumbling | has not been crumbling | have not been crumbling | have not been crumbling | have not been crumbling |
| Past perfect | had not crumbled | had not crumbled | had not crumbled | had not crumbled | had not crumbled | had not crumbled |
| Past perfect continuous | had not been crumbling | had not been crumbling | had not been crumbling | had not been crumbling | had not been crumbling | had not been crumbling |
| Future perfect | will not have crumbled | will not have crumbled | will not have crumbled | will not have crumbled | will not have crumbled | will not have crumbled |
| Future perfect continuous | will not have been crumbling | will not have been crumbling | will not have been crumbling | will not have been crumbling | will not have been crumbling | will not have been crumbling |