SIMPLE PRESENT
Affirmative
- I whiten
- you whiten
- she/he/it whitens
- we whiten
- you whiten
- they whiten
Negative
- I do not whiten
- you do not whiten
- she/he/it does not whiten
- we do not whiten
- you do not whiten
- they do not whiten
Interrogative
- do I whiten ?
- do you whiten ?
- does she/he/it whiten ?
- do we whiten ?
- do you whiten ?
- do they whiten ?
Negative - Interrogative
- do I not whiten ?
- do you not whiten ?
- does she/he/it not whiten ?
- do we not whiten ?
- do you not whiten ?
- do they not whiten ?
PRESENT CONTINUOUS
Affirmative
- I am whitening
- you are whitening
- she/he/it is whitening
- we are whitening
- you are whitening
- they are whitening
Negative
- I am not whitening
- you are not whitening
- she/he/it is not whitening
- we are not whitening
- you are not whitening
- they are not whitening
Interrogative
- am I whitening ?
- are you whitening ?
- is she/he/it whitening ?
- are we whitening ?
- are you whitening ?
- are they whitening ?
Negative - Interrogative
- am I not whitening ?
- are you not whitening ?
- is she/he/it not whitening ?
- are we not whitening ?
- are you not whitening ?
- are they not whitening ?
SIMPLE PAST
Affirmative
- I whitened
- you whitened
- she/he/it whitened
- we whitened
- you whitened
- they whitened
Negative
- I did not whiten
- you did not whiten
- she/he/it did not whiten
- we did not whiten
- you did not whiten
- they did not whiten
Interrogative
- did I whiten ?
- did you whiten ?
- did she/he/it whiten ?
- did we whiten ?
- did you whiten ?
- did they whiten ?
Negative - Interrogative
- did I not whiten ?
- did you not whiten ?
- did she/he/it not whiten ?
- did we not whiten ?
- did you not whiten ?
- did they not whiten ?
PRESENT PERFECT
Affirmative
- I have whitened
- you have whitened
- she/he/it has whitened
- we have whitened
- you have whitened
- they have whitened
Negative
- I have not whitened
- you have not whitened
- she/he/it has not whitened
- we have not whitened
- you have not whitened
- they have not whitened
Interrogative
- have I whitened ?
- have you whitened ?
- has she/he/it whitened ?
- have we whitened ?
- have you whitened ?
- have they whitened ?
Negative - Interrogative
- have I not whitened ?
- have you not whitened ?
- has she/he/it not whitened ?
- have we not whitened ?
- have you not whitened ?
- have they not whitened ?
PAST CONTINUOUS
Affirmative
- I was whitening
- you were whitening
- she/he/it was whitening
- we were whitening
- you were whitening
- they were whitening
Negative
- I was not whitening
- you were not whitening
- she/he/it was not whitening
- you were not whitening
- you were not whitening
- they were not whitening
Interrogative
- was I whitening ?
- were you whitening ?
- was she/he/it whitening ?
- were we whitening ?
- were you whitening ?
- were they whitening ?
Negative - Interrogative
- was I not whitening ?
- were you not whitening ?
- was she/he/it not whitening ?
- were we not whitening ?
- were you not whitening ?
- were they not whitening ?
PRESENT PERFECT CONTINUOUS
Affirmative
- I have been whitening
- you have been whitening
- she/he/it has been whitening
- we have been whitening
- you have been whitening
- they have been whitening
Negative
- I have not been whitening
- you have not been whitening
- she/he/it has not been whitening
- we have not been whitening
- you have not been whitening
- they have not been whitening
Interrogative
- have I been whitening ?
- have you been whitening ?
- has she/he/it been whitening ?
- have we been whitening ?
- have you been whitening ?
- have they been whitening ?
Negative - Interrogative
- have I not been whitening ?
- have you not been whitening ?
- has she/he/it not been whitening ?
- have we not been whitening ?
- have you not been whitening ?
- have they not been whitening ?
PAST PERFECT
Affirmative
- I had whitened
- you had whitened
- she/he/it had whitened
- we had whitened
- you had whitened
- they had whitened
Negative
- I had not whitened
- you had not whitened
- she/he/it had not whitened
- we had not whitened
- you had not whitened
- they had not whitened
Interrogative
- had I whitened ?
- had you whitened ?
- had she/he/it whitened ?
- had we whitened ?
- had you whitened ?
- had they whitened ?
Negative - Interrogative
- had I not whitened ?
- had you not whitened ?
- had she/he/it not whitened ?
- had we not whitened ?
- had you not whitened ?
- had they not whitened ?
PAST PERFECT CONTINUOUS
Affirmative
- I had been whitening
- you had been whitening
- she/he/it had been whitening
- we had been whitening
- you had been whitening
- they had been whitening
Negative
- I had not been whitening
- you had not been whitening
- she/he/it had not been whitening
- we had not been whitening
- you had not been whitening
- they had not been whitening
Interrogative
- had I been whitening ?
- had you been whitening ?
- had she/he/it been whitening ?
- had we been whitening ?
- had you been whitening ?
- had they been whitening ?
Negative - Interrogative
- had I not been whitening ?
- had you not been whitening ?
- had she/he/it not been whitening ?
- had we not been whitening ?
- had you not been whitening ?
- had they not been whitening ?