SIMPLE PRESENT
Affirmative
- I understate
- you understate
- she/he/it understates
- we understate
- you understate
- they understate
Negative
- I do not understate
- you do not understate
- she/he/it does not understate
- we do not understate
- you do not understate
- they do not understate
Interrogative
- do I understate ?
- do you understate ?
- does she/he/it understate ?
- do we understate ?
- do you understate ?
- do they understate ?
Negative - Interrogative
- do I not understate ?
- do you not understate ?
- does she/he/it not understate ?
- do we not understate ?
- do you not understate ?
- do they not understate ?
PRESENT CONTINUOUS
Affirmative
- I am understating
- you are understating
- she/he/it is understating
- we are understating
- you are understating
- they are understating
Negative
- I am not understating
- you are not understating
- she/he/it is not understating
- we are not understating
- you are not understating
- they are not understating
Interrogative
- am I understating ?
- are you understating ?
- is she/he/it understating ?
- are we understating ?
- are you understating ?
- are they understating ?
Negative - Interrogative
- am I not understating ?
- are you not understating ?
- is she/he/it not understating ?
- are we not understating ?
- are you not understating ?
- are they not understating ?
SIMPLE PAST
Affirmative
- I understated
- you understated
- she/he/it understated
- we understated
- you understated
- they understated
Negative
- I did not understate
- you did not understate
- she/he/it did not understate
- we did not understate
- you did not understate
- they did not understate
Interrogative
- did I understate ?
- did you understate ?
- did she/he/it understate ?
- did we understate ?
- did you understate ?
- did they understate ?
Negative - Interrogative
- did I not understate ?
- did you not understate ?
- did she/he/it not understate ?
- did we not understate ?
- did you not understate ?
- did they not understate ?
PRESENT PERFECT
Affirmative
- I have understated
- you have understated
- she/he/it has understated
- we have understated
- you have understated
- they have understated
Negative
- I have not understated
- you have not understated
- she/he/it has not understated
- we have not understated
- you have not understated
- they have not understated
Interrogative
- have I understated ?
- have you understated ?
- has she/he/it understated ?
- have we understated ?
- have you understated ?
- have they understated ?
Negative - Interrogative
- have I not understated ?
- have you not understated ?
- has she/he/it not understated ?
- have we not understated ?
- have you not understated ?
- have they not understated ?
PAST CONTINUOUS
Affirmative
- I was understating
- you were understating
- she/he/it was understating
- we were understating
- you were understating
- they were understating
Negative
- I was not understating
- you were not understating
- she/he/it was not understating
- you were not understating
- you were not understating
- they were not understating
Interrogative
- was I understating ?
- were you understating ?
- was she/he/it understating ?
- were we understating ?
- were you understating ?
- were they understating ?
Negative - Interrogative
- was I not understating ?
- were you not understating ?
- was she/he/it not understating ?
- were we not understating ?
- were you not understating ?
- were they not understating ?
PRESENT PERFECT CONTINUOUS
Affirmative
- I have been understating
- you have been understating
- she/he/it has been understating
- we have been understating
- you have been understating
- they have been understating
Negative
- I have not been understating
- you have not been understating
- she/he/it has not been understating
- we have not been understating
- you have not been understating
- they have not been understating
Interrogative
- have I been understating ?
- have you been understating ?
- has she/he/it been understating ?
- have we been understating ?
- have you been understating ?
- have they been understating ?
Negative - Interrogative
- have I not been understating ?
- have you not been understating ?
- has she/he/it not been understating ?
- have we not been understating ?
- have you not been understating ?
- have they not been understating ?
PAST PERFECT
Affirmative
- I had understated
- you had understated
- she/he/it had understated
- we had understated
- you had understated
- they had understated
Negative
- I had not understated
- you had not understated
- she/he/it had not understated
- we had not understated
- you had not understated
- they had not understated
Interrogative
- had I understated ?
- had you understated ?
- had she/he/it understated ?
- had we understated ?
- had you understated ?
- had they understated ?
Negative - Interrogative
- had I not understated ?
- had you not understated ?
- had she/he/it not understated ?
- had we not understated ?
- had you not understated ?
- had they not understated ?
PAST PERFECT CONTINUOUS
Affirmative
- I had been understating
- you had been understating
- she/he/it had been understating
- we had been understating
- you had been understating
- they had been understating
Negative
- I had not been understating
- you had not been understating
- she/he/it had not been understating
- we had not been understating
- you had not been understating
- they had not been understating
Interrogative
- had I been understating ?
- had you been understating ?
- had she/he/it been understating ?
- had we been understating ?
- had you been understating ?
- had they been understating ?
Negative - Interrogative
- had I not been understating ?
- had you not been understating ?
- had she/he/it not been understating ?
- had we not been understating ?
- had you not been understating ?
- had they not been understating ?