SIMPLE PRESENT
Affirmative
- I tighten
- you tighten
- she/he/it tightens
- we tighten
- you tighten
- they tighten
Negative
- I do not tighten
- you do not tighten
- she/he/it does not tighten
- we do not tighten
- you do not tighten
- they do not tighten
Interrogative
- do I tighten ?
- do you tighten ?
- does she/he/it tighten ?
- do we tighten ?
- do you tighten ?
- do they tighten ?
Negative - Interrogative
- do I not tighten ?
- do you not tighten ?
- does she/he/it not tighten ?
- do we not tighten ?
- do you not tighten ?
- do they not tighten ?
PRESENT CONTINUOUS
Affirmative
- I am tightening
- you are tightening
- she/he/it is tightening
- we are tightening
- you are tightening
- they are tightening
Negative
- I am not tightening
- you are not tightening
- she/he/it is not tightening
- we are not tightening
- you are not tightening
- they are not tightening
Interrogative
- am I tightening ?
- are you tightening ?
- is she/he/it tightening ?
- are we tightening ?
- are you tightening ?
- are they tightening ?
Negative - Interrogative
- am I not tightening ?
- are you not tightening ?
- is she/he/it not tightening ?
- are we not tightening ?
- are you not tightening ?
- are they not tightening ?
SIMPLE PAST
Affirmative
- I tightened
- you tightened
- she/he/it tightened
- we tightened
- you tightened
- they tightened
Negative
- I did not tighten
- you did not tighten
- she/he/it did not tighten
- we did not tighten
- you did not tighten
- they did not tighten
Interrogative
- did I tighten ?
- did you tighten ?
- did she/he/it tighten ?
- did we tighten ?
- did you tighten ?
- did they tighten ?
Negative - Interrogative
- did I not tighten ?
- did you not tighten ?
- did she/he/it not tighten ?
- did we not tighten ?
- did you not tighten ?
- did they not tighten ?
PRESENT PERFECT
Affirmative
- I have tightened
- you have tightened
- she/he/it has tightened
- we have tightened
- you have tightened
- they have tightened
Negative
- I have not tightened
- you have not tightened
- she/he/it has not tightened
- we have not tightened
- you have not tightened
- they have not tightened
Interrogative
- have I tightened ?
- have you tightened ?
- has she/he/it tightened ?
- have we tightened ?
- have you tightened ?
- have they tightened ?
Negative - Interrogative
- have I not tightened ?
- have you not tightened ?
- has she/he/it not tightened ?
- have we not tightened ?
- have you not tightened ?
- have they not tightened ?
PAST CONTINUOUS
Affirmative
- I was tightening
- you were tightening
- she/he/it was tightening
- we were tightening
- you were tightening
- they were tightening
Negative
- I was not tightening
- you were not tightening
- she/he/it was not tightening
- you were not tightening
- you were not tightening
- they were not tightening
Interrogative
- was I tightening ?
- were you tightening ?
- was she/he/it tightening ?
- were we tightening ?
- were you tightening ?
- were they tightening ?
Negative - Interrogative
- was I not tightening ?
- were you not tightening ?
- was she/he/it not tightening ?
- were we not tightening ?
- were you not tightening ?
- were they not tightening ?
PRESENT PERFECT CONTINUOUS
Affirmative
- I have been tightening
- you have been tightening
- she/he/it has been tightening
- we have been tightening
- you have been tightening
- they have been tightening
Negative
- I have not been tightening
- you have not been tightening
- she/he/it has not been tightening
- we have not been tightening
- you have not been tightening
- they have not been tightening
Interrogative
- have I been tightening ?
- have you been tightening ?
- has she/he/it been tightening ?
- have we been tightening ?
- have you been tightening ?
- have they been tightening ?
Negative - Interrogative
- have I not been tightening ?
- have you not been tightening ?
- has she/he/it not been tightening ?
- have we not been tightening ?
- have you not been tightening ?
- have they not been tightening ?
PAST PERFECT
Affirmative
- I had tightened
- you had tightened
- she/he/it had tightened
- we had tightened
- you had tightened
- they had tightened
Negative
- I had not tightened
- you had not tightened
- she/he/it had not tightened
- we had not tightened
- you had not tightened
- they had not tightened
Interrogative
- had I tightened ?
- had you tightened ?
- had she/he/it tightened ?
- had we tightened ?
- had you tightened ?
- had they tightened ?
Negative - Interrogative
- had I not tightened ?
- had you not tightened ?
- had she/he/it not tightened ?
- had we not tightened ?
- had you not tightened ?
- had they not tightened ?
PAST PERFECT CONTINUOUS
Affirmative
- I had been tightening
- you had been tightening
- she/he/it had been tightening
- we had been tightening
- you had been tightening
- they had been tightening
Negative
- I had not been tightening
- you had not been tightening
- she/he/it had not been tightening
- we had not been tightening
- you had not been tightening
- they had not been tightening
Interrogative
- had I been tightening ?
- had you been tightening ?
- had she/he/it been tightening ?
- had we been tightening ?
- had you been tightening ?
- had they been tightening ?
Negative - Interrogative
- had I not been tightening ?
- had you not been tightening ?
- had she/he/it not been tightening ?
- had we not been tightening ?
- had you not been tightening ?
- had they not been tightening ?