SIMPLE PRESENT
Affirmative
- I undo
- you undo
- she/he/it undoes
- we undo
- you undo
- they undo
Negative
- I do not undo
- you do not undo
- she/he/it does not undo
- we do not undo
- you do not undo
- they do not undo
Interrogative
- do I undo ?
- do you undo ?
- does she/he/it undo ?
- do we undo ?
- do you undo ?
- do they undo ?
Negative - Interrogative
- do I not undo ?
- do you not undo ?
- does she/he/it not undo ?
- do we not undo ?
- do you not undo ?
- do they not undo ?
PRESENT CONTINUOUS
Affirmative
- I am undoing
- you are undoing
- she/he/it is undoing
- we are undoing
- you are undoing
- they are undoing
Negative
- I am not undoing
- you are not undoing
- she/he/it is not undoing
- we are not undoing
- you are not undoing
- they are not undoing
Interrogative
- am I undoing ?
- are you undoing ?
- is she/he/it undoing ?
- are we undoing ?
- are you undoing ?
- are they undoing ?
Negative - Interrogative
- am I not undoing ?
- are you not undoing ?
- is she/he/it not undoing ?
- are we not undoing ?
- are you not undoing ?
- are they not undoing ?
SIMPLE PAST
Affirmative
- I undid
- you undid
- she/he/it undid
- we undid
- you undid
- they undid
Negative
- I did not undo
- you did not undo
- she/he/it did not undo
- we did not undo
- you did not undo
- they did not undo
Interrogative
- did I undo ?
- did you undo ?
- did she/he/it undo ?
- did we undo ?
- did you undo ?
- did they undo ?
Negative - Interrogative
- did I not undo ?
- did you not undo ?
- did she/he/it not undo ?
- did we not undo ?
- did you not undo ?
- did they not undo ?
PRESENT PERFECT
Affirmative
- I have undone
- you have undone
- she/he/it has undone
- we have undone
- you have undone
- they have undone
Negative
- I have not undone
- you have not undone
- she/he/it has not undone
- we have not undone
- you have not undone
- they have not undone
Interrogative
- have I undone ?
- have you undone ?
- has she/he/it undone ?
- have we undone ?
- have you undone ?
- have they undone ?
Negative - Interrogative
- have I not undone ?
- have you not undone ?
- has she/he/it not undone ?
- have we not undone ?
- have you not undone ?
- have they not undone ?
PAST CONTINUOUS
Affirmative
- I was undoing
- you were undoing
- she/he/it was undoing
- we were undoing
- you were undoing
- they were undoing
Negative
- I was not undoing
- you were not undoing
- she/he/it was not undoing
- you were not undoing
- you were not undoing
- they were not undoing
Interrogative
- was I undoing ?
- were you undoing ?
- was she/he/it undoing ?
- were we undoing ?
- were you undoing ?
- were they undoing ?
Negative - Interrogative
- was I not undoing ?
- were you not undoing ?
- was she/he/it not undoing ?
- were we not undoing ?
- were you not undoing ?
- were they not undoing ?
PRESENT PERFECT CONTINUOUS
Affirmative
- I have been undoing
- you have been undoing
- she/he/it has been undoing
- we have been undoing
- you have been undoing
- they have been undoing
Negative
- I have not been undoing
- you have not been undoing
- she/he/it has not been undoing
- we have not been undoing
- you have not been undoing
- they have not been undoing
Interrogative
- have I been undoing ?
- have you been undoing ?
- has she/he/it been undoing ?
- have we been undoing ?
- have you been undoing ?
- have they been undoing ?
Negative - Interrogative
- have I not been undoing ?
- have you not been undoing ?
- has she/he/it not been undoing ?
- have we not been undoing ?
- have you not been undoing ?
- have they not been undoing ?
PAST PERFECT
Affirmative
- I had undone
- you had undone
- she/he/it had undone
- we had undone
- you had undone
- they had undone
Negative
- I had not undone
- you had not undone
- she/he/it had not undone
- we had not undone
- you had not undone
- they had not undone
Interrogative
- had I undone ?
- had you undone ?
- had she/he/it undone ?
- had we undone ?
- had you undone ?
- had they undone ?
Negative - Interrogative
- had I not undone ?
- had you not undone ?
- had she/he/it not undone ?
- had we not undone ?
- had you not undone ?
- had they not undone ?
PAST PERFECT CONTINUOUS
Affirmative
- I had been undoing
- you had been undoing
- she/he/it had been undoing
- we had been undoing
- you had been undoing
- they had been undoing
Negative
- I had not been undoing
- you had not been undoing
- she/he/it had not been undoing
- we had not been undoing
- you had not been undoing
- they had not been undoing
Interrogative
- had I been undoing ?
- had you been undoing ?
- had she/he/it been undoing ?
- had we been undoing ?
- had you been undoing ?
- had they been undoing ?
Negative - Interrogative
- had I not been undoing ?
- had you not been undoing ?
- had she/he/it not been undoing ?
- had we not been undoing ?
- had you not been undoing ?
- had they not been undoing ?