SIMPLE PRESENT
Affirmative
- I underdo
- you underdo
- she/he/it underdoes
- we underdo
- you underdo
- they underdo
Negative
- I do not underdo
- you do not underdo
- she/he/it does not underdo
- we do not underdo
- you do not underdo
- they do not underdo
Interrogative
- do I underdo ?
- do you underdo ?
- does she/he/it underdo ?
- do we underdo ?
- do you underdo ?
- do they underdo ?
Negative - Interrogative
- do I not underdo ?
- do you not underdo ?
- does she/he/it not underdo ?
- do we not underdo ?
- do you not underdo ?
- do they not underdo ?
PRESENT CONTINUOUS
Affirmative
- I am underdoing
- you are underdoing
- she/he/it is underdoing
- we are underdoing
- you are underdoing
- they are underdoing
Negative
- I am not underdoing
- you are not underdoing
- she/he/it is not underdoing
- we are not underdoing
- you are not underdoing
- they are not underdoing
Interrogative
- am I underdoing ?
- are you underdoing ?
- is she/he/it underdoing ?
- are we underdoing ?
- are you underdoing ?
- are they underdoing ?
Negative - Interrogative
- am I not underdoing ?
- are you not underdoing ?
- is she/he/it not underdoing ?
- are we not underdoing ?
- are you not underdoing ?
- are they not underdoing ?
SIMPLE PAST
Affirmative
- I underdid
- you underdid
- she/he/it underdid
- we underdid
- you underdid
- they underdid
Negative
- I did not underdo
- you did not underdo
- she/he/it did not underdo
- we did not underdo
- you did not underdo
- they did not underdo
Interrogative
- did I underdo ?
- did you underdo ?
- did she/he/it underdo ?
- did we underdo ?
- did you underdo ?
- did they underdo ?
Negative - Interrogative
- did I not underdo ?
- did you not underdo ?
- did she/he/it not underdo ?
- did we not underdo ?
- did you not underdo ?
- did they not underdo ?
PRESENT PERFECT
Affirmative
- I have underdone
- you have underdone
- she/he/it has underdone
- we have underdone
- you have underdone
- they have underdone
Negative
- I have not underdone
- you have not underdone
- she/he/it has not underdone
- we have not underdone
- you have not underdone
- they have not underdone
Interrogative
- have I underdone ?
- have you underdone ?
- has she/he/it underdone ?
- have we underdone ?
- have you underdone ?
- have they underdone ?
Negative - Interrogative
- have I not underdone ?
- have you not underdone ?
- has she/he/it not underdone ?
- have we not underdone ?
- have you not underdone ?
- have they not underdone ?
PAST CONTINUOUS
Affirmative
- I was underdoing
- you were underdoing
- she/he/it was underdoing
- we were underdoing
- you were underdoing
- they were underdoing
Negative
- I was not underdoing
- you were not underdoing
- she/he/it was not underdoing
- you were not underdoing
- you were not underdoing
- they were not underdoing
Interrogative
- was I underdoing ?
- were you underdoing ?
- was she/he/it underdoing ?
- were we underdoing ?
- were you underdoing ?
- were they underdoing ?
Negative - Interrogative
- was I not underdoing ?
- were you not underdoing ?
- was she/he/it not underdoing ?
- were we not underdoing ?
- were you not underdoing ?
- were they not underdoing ?
PRESENT PERFECT CONTINUOUS
Affirmative
- I have been underdoing
- you have been underdoing
- she/he/it has been underdoing
- we have been underdoing
- you have been underdoing
- they have been underdoing
Negative
- I have not been underdoing
- you have not been underdoing
- she/he/it has not been underdoing
- we have not been underdoing
- you have not been underdoing
- they have not been underdoing
Interrogative
- have I been underdoing ?
- have you been underdoing ?
- has she/he/it been underdoing ?
- have we been underdoing ?
- have you been underdoing ?
- have they been underdoing ?
Negative - Interrogative
- have I not been underdoing ?
- have you not been underdoing ?
- has she/he/it not been underdoing ?
- have we not been underdoing ?
- have you not been underdoing ?
- have they not been underdoing ?
PAST PERFECT
Affirmative
- I had underdone
- you had underdone
- she/he/it had underdone
- we had underdone
- you had underdone
- they had underdone
Negative
- I had not underdone
- you had not underdone
- she/he/it had not underdone
- we had not underdone
- you had not underdone
- they had not underdone
Interrogative
- had I underdone ?
- had you underdone ?
- had she/he/it underdone ?
- had we underdone ?
- had you underdone ?
- had they underdone ?
Negative - Interrogative
- had I not underdone ?
- had you not underdone ?
- had she/he/it not underdone ?
- had we not underdone ?
- had you not underdone ?
- had they not underdone ?
PAST PERFECT CONTINUOUS
Affirmative
- I had been underdoing
- you had been underdoing
- she/he/it had been underdoing
- we had been underdoing
- you had been underdoing
- they had been underdoing
Negative
- I had not been underdoing
- you had not been underdoing
- she/he/it had not been underdoing
- we had not been underdoing
- you had not been underdoing
- they had not been underdoing
Interrogative
- had I been underdoing ?
- had you been underdoing ?
- had she/he/it been underdoing ?
- had we been underdoing ?
- had you been underdoing ?
- had they been underdoing ?
Negative - Interrogative
- had I not been underdoing ?
- had you not been underdoing ?
- had she/he/it not been underdoing ?
- had we not been underdoing ?
- had you not been underdoing ?
- had they not been underdoing ?