| sg1st | sg2nd | sg3rd | pl1st | pl2nd | pl3rd | |
|---|---|---|---|---|---|---|
| Simple present | whiten | whiten | whitens | whiten | whiten | whiten |
| Present continuous | am whitening | are whitening | is whitening | are whitening | are whitening | are whitening |
| Simple past | whitened | whitened | whitened | whitened | whitened | whitened |
| Past continuous | was whitening | were whitening | was whitening | were whitening | were whitening | were whitening |
| Simple future | will whiten | will whiten | will whiten | will whiten | will whiten | will whiten |
| Future continuous | will be whitening | will be whitening | will be whitening | will be whitening | will be whitening | will be whitening |
| Present perfect | have whitened | have whitened | has whitened | have whitened | have whitened | have whitened |
| Present perfect continuous | have been whitening | have been whitening | has been whitening | have been whitening | have been whitening | have been whitening |
| Present continuous | am whitening | are whitening | is whitening | are whitening | are whitening | are whitening |
| Past perfect | had whitened | had whitened | had whitened | had whitened | had whitened | had whitened |
| Past perfect continuous | had been whitening | had been whitening | had been whitening | had been whitening | had been whitening | had been whitening |
| Future perfect | will have whitened | will have whitened | will have whitened | will have whitened | will have whitened | will have whitened |
| Future perfect continuous | will have been whitening | will have been whitening | will have been whitening | will have been whitening | will have been whitening | will have been whitening |
| sg1st | sg2nd | sg3rd | pl1st | pl2nd | pl3rd | |
|---|---|---|---|---|---|---|
| Simple present | don't whiten | don't whiten | doesn't whiten | don't whiten | don't whiten | don't whiten |
| Present continuous | am not whitening | are not whitening | is not whitening | are not whitening | are not whitening | are not whitening |
| Simple past | didn't whiten | didn't whiten | didn't whiten | didn't whiten | didn't whiten | didn't whiten |
| Past continuous | was not whitening | were not whitening | was not whitening | were not whitening | were not whitening | were not whitening |
| Simple future | won't whiten | won't whiten | won't whiten | won't whiten | won't whiten | won't whiten |
| Future continuous | will not be whitening | will not be whitening | will not be whitening | will not be whitening | will not be whitening | will not be whitening |
| Present perfect | have not whitened | have not whitened | has not whitened | have not whitened | have not whitened | have not whitened |
| Present perfect continuous | have not been whitening | have not been whitening | has not been whitening | have not been whitening | have not been whitening | have not been whitening |
| Present continuous | am not whitening | are not whitening | is not whitening | are not whitening | are not whitening | are not whitening |
| Past perfect | had not whitened | had not whitened | had not whitened | had not whitened | had not whitened | had not whitened |
| Past perfect continuous | had not been whitening | had not been whitening | had not been whitening | had not been whitening | had not been whitening | had not been whitening |
| Future perfect | will have not whitened | will have not whitened | will have not whitened | will have not whitened | will have not whitened | will have not whitened |
| Future perfect continuous | will have not been whitening | will have not been whitening | will have not been whitening | will have not been whitening | will have not been whitening | will have not been whitening |