SIMPLE PRESENT
Affirmative
- I recertify
- you recertify
- she/he/it recertifies
- we recertify
- you recertify
- they recertify
Negative
- I do not recertify
- you do not recertify
- she/he/it does not recertify
- we do not recertify
- you do not recertify
- they do not recertify
Interrogative
- do I recertify ?
- do you recertify ?
- does she/he/it recertify ?
- do we recertify ?
- do you recertify ?
- do they recertify ?
Negative - Interrogative
- do I not recertify ?
- do you not recertify ?
- does she/he/it not recertify ?
- do we not recertify ?
- do you not recertify ?
- do they not recertify ?
PRESENT CONTINUOUS
Affirmative
- I am recertifying
- you are recertifying
- she/he/it is recertifying
- we are recertifying
- you are recertifying
- they are recertifying
Negative
- I am not recertifying
- you are not recertifying
- she/he/it is not recertifying
- we are not recertifying
- you are not recertifying
- they are not recertifying
Interrogative
- am I recertifying ?
- are you recertifying ?
- is she/he/it recertifying ?
- are we recertifying ?
- are you recertifying ?
- are they recertifying ?
Negative - Interrogative
- am I not recertifying ?
- are you not recertifying ?
- is she/he/it not recertifying ?
- are we not recertifying ?
- are you not recertifying ?
- are they not recertifying ?
SIMPLE PAST
Affirmative
- I recertified
- you recertified
- she/he/it recertified
- we recertified
- you recertified
- they recertified
Negative
- I did not recertify
- you did not recertify
- she/he/it did not recertify
- we did not recertify
- you did not recertify
- they did not recertify
Interrogative
- did I recertify ?
- did you recertify ?
- did she/he/it recertify ?
- did we recertify ?
- did you recertify ?
- did they recertify ?
Negative - Interrogative
- did I not recertify ?
- did you not recertify ?
- did she/he/it not recertify ?
- did we not recertify ?
- did you not recertify ?
- did they not recertify ?
PRESENT PERFECT
Affirmative
- I have recertified
- you have recertified
- she/he/it has recertified
- we have recertified
- you have recertified
- they have recertified
Negative
- I have not recertified
- you have not recertified
- she/he/it has not recertified
- we have not recertified
- you have not recertified
- they have not recertified
Interrogative
- have I recertified ?
- have you recertified ?
- has she/he/it recertified ?
- have we recertified ?
- have you recertified ?
- have they recertified ?
Negative - Interrogative
- have I not recertified ?
- have you not recertified ?
- has she/he/it not recertified ?
- have we not recertified ?
- have you not recertified ?
- have they not recertified ?
PAST CONTINUOUS
Affirmative
- I was recertifying
- you were recertifying
- she/he/it was recertifying
- we were recertifying
- you were recertifying
- they were recertifying
Negative
- I was not recertifying
- you were not recertifying
- she/he/it was not recertifying
- you were not recertifying
- you were not recertifying
- they were not recertifying
Interrogative
- was I recertifying ?
- were you recertifying ?
- was she/he/it recertifying ?
- were we recertifying ?
- were you recertifying ?
- were they recertifying ?
Negative - Interrogative
- was I not recertifying ?
- were you not recertifying ?
- was she/he/it not recertifying ?
- were we not recertifying ?
- were you not recertifying ?
- were they not recertifying ?
PRESENT PERFECT CONTINUOUS
Affirmative
- I have been recertifying
- you have been recertifying
- she/he/it has been recertifying
- we have been recertifying
- you have been recertifying
- they have been recertifying
Negative
- I have not been recertifying
- you have not been recertifying
- she/he/it has not been recertifying
- we have not been recertifying
- you have not been recertifying
- they have not been recertifying
Interrogative
- have I been recertifying ?
- have you been recertifying ?
- has she/he/it been recertifying ?
- have we been recertifying ?
- have you been recertifying ?
- have they been recertifying ?
Negative - Interrogative
- have I not been recertifying ?
- have you not been recertifying ?
- has she/he/it not been recertifying ?
- have we not been recertifying ?
- have you not been recertifying ?
- have they not been recertifying ?
PAST PERFECT
Affirmative
- I had recertified
- you had recertified
- she/he/it had recertified
- we had recertified
- you had recertified
- they had recertified
Negative
- I had not recertified
- you had not recertified
- she/he/it had not recertified
- we had not recertified
- you had not recertified
- they had not recertified
Interrogative
- had I recertified ?
- had you recertified ?
- had she/he/it recertified ?
- had we recertified ?
- had you recertified ?
- had they recertified ?
Negative - Interrogative
- had I not recertified ?
- had you not recertified ?
- had she/he/it not recertified ?
- had we not recertified ?
- had you not recertified ?
- had they not recertified ?
PAST PERFECT CONTINUOUS
Affirmative
- I had been recertifying
- you had been recertifying
- she/he/it had been recertifying
- we had been recertifying
- you had been recertifying
- they had been recertifying
Negative
- I had not been recertifying
- you had not been recertifying
- she/he/it had not been recertifying
- we had not been recertifying
- you had not been recertifying
- they had not been recertifying
Interrogative
- had I been recertifying ?
- had you been recertifying ?
- had she/he/it been recertifying ?
- had we been recertifying ?
- had you been recertifying ?
- had they been recertifying ?
Negative - Interrogative
- had I not been recertifying ?
- had you not been recertifying ?
- had she/he/it not been recertifying ?
- had we not been recertifying ?
- had you not been recertifying ?
- had they not been recertifying ?