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male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation CAN HEIGHTEN

Regular verb: heighten - heightened - heightened


Affirmation

Simple form
I can heighten
you can heighten
she can heighten
we can heighten
you can heighten
they can heighten
V-ing form
I can be heightening
you can be heightening
she can be heightening
we can be heightening
you can be heightening
they can be heightening
Perfect
I can have heightened
you can have heightened
she can have heightened
we can have heightened
you can have heightened
they can have heightened
V-ing perfect
I can have been heightening
you can have been heightening
she can have been heightening
we can have been heightening
you can have been heightening
they can have been heightening

Negation

Simple form
I can't heighten
you can't heighten
she can't heighten
we can't heighten
you can't heighten
they can't heighten
V-ing form
I can't be heightening
you can't be heightening
she can't be heightening
we can't be heightening
you can't be heightening
they can't be heightening
Perfect
I can't have heightened
you can't have heightened
she can't have heightened
we can't have heightened
you can't have heightened
they can't have heightened
V-ing perfect
I can't have been heightening
you can't have been heightening
she can't have been heightening
we can't have been heightening
you can't have been heightening
they can't have been heightening

Interrogative form

Simple form
can I heighten?
can you heighten?
can she heighten?
can we heighten?
can you heighten?
can they heighten?
V-ing form
can I be heightening?
can you be heightening?
can she be heightening?
can we be heightening?
can you be heightening?
can they be heightening?
Perfect
can I have heightened?
can you have heightened?
can she have heightened?
can we have heightened?
can you have heightened?
can they have heightened?
V-ing perfect
can I have been heightening?
can you have been heightening?
can she have been heightening?
can we have been heightening?
can you have been heightening?
can they have been heightening?

Interro-negative form

Simple form
can't I heighten?
can't you heighten?
can't she heighten?
can't we heighten?
can't you heighten?
can't they heighten?
V-ing form
can't I be heightening?
can't you be heightening?
can't she be heightening?
can't we be heightening?
can't you be heightening?
can't they be heightening?
Perfect
can't I have heightened?
can't you have heightened?
can't she have heightened?
can't we have heightened?
can't you have heightened?
can't they have heightened?
V-ing perfect
can't I have been heightening?
can't you have been heightening?
can't she have been heightening?
can't we have been heightening?
can't you have been heightening?
can't they have been heightening?