English verb conjugation MAY HEIGHTEN

Regular verb: heighten - heightened - heightened

Affirmation

Simple form

I may heighten
you may heighten
he may heighten
we may heighten
you may heighten
they may heighten

V-ing form

I may be heightening
you may be heightening
he may be heightening
we may be heightening
you may be heightening
they may be heightening

Perfect

I may have heightened
you may have heightened
he may have heightened
we may have heightened
you may have heightened
they may have heightened

V-ing perfect

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

Negation

Simple form

I may not heighten
you may not heighten
he may not heighten
we may not heighten
you may not heighten
they may not heighten

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

may I heighten?
may you heighten?
may he heighten?
may we heighten?
may you heighten?
may they heighten?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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