SIMPLE PRESENT
Affirmative
- I undersell
- you undersell
- she/he/it undersells
- we undersell
- you undersell
- they undersell
Negative
- I do not undersell
- you do not undersell
- she/he/it does not undersell
- we do not undersell
- you do not undersell
- they do not undersell
Interrogative
- do I undersell ?
- do you undersell ?
- does she/he/it undersell ?
- do we undersell ?
- do you undersell ?
- do they undersell ?
Negative - Interrogative
- do I not undersell ?
- do you not undersell ?
- does she/he/it not undersell ?
- do we not undersell ?
- do you not undersell ?
- do they not undersell ?
PRESENT CONTINUOUS
Affirmative
- I am underselling
- you are underselling
- she/he/it is underselling
- we are underselling
- you are underselling
- they are underselling
Negative
- I am not underselling
- you are not underselling
- she/he/it is not underselling
- we are not underselling
- you are not underselling
- they are not underselling
Interrogative
- am I underselling ?
- are you underselling ?
- is she/he/it underselling ?
- are we underselling ?
- are you underselling ?
- are they underselling ?
Negative - Interrogative
- am I not underselling ?
- are you not underselling ?
- is she/he/it not underselling ?
- are we not underselling ?
- are you not underselling ?
- are they not underselling ?
SIMPLE PAST
Affirmative
- I undersold
- you undersold
- she/he/it undersold
- we undersold
- you undersold
- they undersold
Negative
- I did not undersell
- you did not undersell
- she/he/it did not undersell
- we did not undersell
- you did not undersell
- they did not undersell
Interrogative
- did I undersell ?
- did you undersell ?
- did she/he/it undersell ?
- did we undersell ?
- did you undersell ?
- did they undersell ?
Negative - Interrogative
- did I not undersell ?
- did you not undersell ?
- did she/he/it not undersell ?
- did we not undersell ?
- did you not undersell ?
- did they not undersell ?
PRESENT PERFECT
Affirmative
- I have undersold
- you have undersold
- she/he/it has undersold
- we have undersold
- you have undersold
- they have undersold
Negative
- I have not undersold
- you have not undersold
- she/he/it has not undersold
- we have not undersold
- you have not undersold
- they have not undersold
Interrogative
- have I undersold ?
- have you undersold ?
- has she/he/it undersold ?
- have we undersold ?
- have you undersold ?
- have they undersold ?
Negative - Interrogative
- have I not undersold ?
- have you not undersold ?
- has she/he/it not undersold ?
- have we not undersold ?
- have you not undersold ?
- have they not undersold ?
PAST CONTINUOUS
Affirmative
- I was underselling
- you were underselling
- she/he/it was underselling
- we were underselling
- you were underselling
- they were underselling
Negative
- I was not underselling
- you were not underselling
- she/he/it was not underselling
- you were not underselling
- you were not underselling
- they were not underselling
Interrogative
- was I underselling ?
- were you underselling ?
- was she/he/it underselling ?
- were we underselling ?
- were you underselling ?
- were they underselling ?
Negative - Interrogative
- was I not underselling ?
- were you not underselling ?
- was she/he/it not underselling ?
- were we not underselling ?
- were you not underselling ?
- were they not underselling ?
PRESENT PERFECT CONTINUOUS
Affirmative
- I have been underselling
- you have been underselling
- she/he/it has been underselling
- we have been underselling
- you have been underselling
- they have been underselling
Negative
- I have not been underselling
- you have not been underselling
- she/he/it has not been underselling
- we have not been underselling
- you have not been underselling
- they have not been underselling
Interrogative
- have I been underselling ?
- have you been underselling ?
- has she/he/it been underselling ?
- have we been underselling ?
- have you been underselling ?
- have they been underselling ?
Negative - Interrogative
- have I not been underselling ?
- have you not been underselling ?
- has she/he/it not been underselling ?
- have we not been underselling ?
- have you not been underselling ?
- have they not been underselling ?
PAST PERFECT
Affirmative
- I had undersold
- you had undersold
- she/he/it had undersold
- we had undersold
- you had undersold
- they had undersold
Negative
- I had not undersold
- you had not undersold
- she/he/it had not undersold
- we had not undersold
- you had not undersold
- they had not undersold
Interrogative
- had I undersold ?
- had you undersold ?
- had she/he/it undersold ?
- had we undersold ?
- had you undersold ?
- had they undersold ?
Negative - Interrogative
- had I not undersold ?
- had you not undersold ?
- had she/he/it not undersold ?
- had we not undersold ?
- had you not undersold ?
- had they not undersold ?
PAST PERFECT CONTINUOUS
Affirmative
- I had been underselling
- you had been underselling
- she/he/it had been underselling
- we had been underselling
- you had been underselling
- they had been underselling
Negative
- I had not been underselling
- you had not been underselling
- she/he/it had not been underselling
- we had not been underselling
- you had not been underselling
- they had not been underselling
Interrogative
- had I been underselling ?
- had you been underselling ?
- had she/he/it been underselling ?
- had we been underselling ?
- had you been underselling ?
- had they been underselling ?
Negative - Interrogative
- had I not been underselling ?
- had you not been underselling ?
- had she/he/it not been underselling ?
- had we not been underselling ?
- had you not been underselling ?
- had they not been underselling ?