English verb conjugation MAY TIGHTEN

Regular verb: tighten - tightened - tightened

Affirmation

Simple form

I may tighten
you may tighten
he may tighten
we may tighten
you may tighten
they may tighten

V-ing form

I may be tightening
you may be tightening
he may be tightening
we may be tightening
you may be tightening
they may be tightening

Perfect

I may have tightened
you may have tightened
he may have tightened
we may have tightened
you may have tightened
they may have tightened

V-ing perfect

I may have been tightening
you may have been tightening
he may have been tightening
we may have been tightening
you may have been tightening
they may have been tightening

Negation

Simple form

I may not tighten
you may not tighten
he may not tighten
we may not tighten
you may not tighten
they may not tighten

V-ing form

I may not be tightening
you may not be tightening
he may not be tightening
we may not be tightening
you may not be tightening
they may not be tightening

Perfect

I may not have tightened
you may not have tightened
he may not have tightened
we may not have tightened
you may not have tightened
they may not have tightened

V-ing perfect

I may not have been tightening
you may not have been tightening
he may not have been tightening
we may not have been tightening
you may not have been tightening
they may not have been tightening

Interrogative form

Simple form

may I tighten?
may you tighten?
may he tighten?
may we tighten?
may you tighten?
may they tighten?

V-ing form

may I be tightening?
may you be tightening?
may he be tightening?
may we be tightening?
may you be tightening?
may they be tightening?

Perfect

may I have tightened?
may you have tightened?
may he have tightened?
may we have tightened?
may you have tightened?
may they have tightened?

V-ing perfect

may I have been tightening?
may you have been tightening?
may he have been tightening?
may we have been tightening?
may you have been tightening?
may they have been tightening?

Interro-negative form

Simple form

may I not tighten?
may you not tighten?
may he not tighten?
may we not tighten?
may you not tighten?
may they not tighten?

V-ing form

may I not be tightening?
may you not be tightening?
may he not be tightening?
may we not be tightening?
may you not be tightening?
may they not be tightening?

Perfect

may I not have tightened?
may you not have tightened?
may he not have tightened?
may we not have tightened?
may you not have tightened?
may they not have tightened?

V-ing perfect

may I not have been tightening?
may you not have been tightening?
may he not have been tightening?
may we not have been tightening?
may you not have been tightening?
may they not have been tightening?

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