English verb conjugation COULD FORTIFY

Regular verb: fortify - fortified - fortified

Affirmation

Simple form

I could fortify
you could fortify
he could fortify
we could fortify
you could fortify
they could fortify

V-ing form

I could be fortifying
you could be fortifying
he could be fortifying
we could be fortifying
you could be fortifying
they could be fortifying

Perfect

I could have fortified
you could have fortified
he could have fortified
we could have fortified
you could have fortified
they could have fortified

V-ing perfect

I could have been fortifying
you could have been fortifying
he could have been fortifying
we could have been fortifying
you could have been fortifying
they could have been fortifying

Negation

Simple form

I could not fortify
you could not fortify
he could not fortify
we could not fortify
you could not fortify
they could not fortify

V-ing form

I could not be fortifying
you could not be fortifying
he could not be fortifying
we could not be fortifying
you could not be fortifying
they could not be fortifying

Perfect

I could not have fortified
you could not have fortified
he could not have fortified
we could not have fortified
you could not have fortified
they could not have fortified

V-ing perfect

I could not have been fortifying
you could not have been fortifying
he could not have been fortifying
we could not have been fortifying
you could not have been fortifying
they could not have been fortifying

Interrogative form

Simple form

could I fortify?
could you fortify?
could he fortify?
could we fortify?
could you fortify?
could they fortify?

V-ing form

could I be fortifying?
could you be fortifying?
could he be fortifying?
could we be fortifying?
could you be fortifying?
could they be fortifying?

Perfect

could I have fortified?
could you have fortified?
could he have fortified?
could we have fortified?
could you have fortified?
could they have fortified?

V-ing perfect

could I have been fortifying?
could you have been fortifying?
could he have been fortifying?
could we have been fortifying?
could you have been fortifying?
could they have been fortifying?

Interro-negative form

Simple form

could I not fortify?
could you not fortify?
could he not fortify?
could we not fortify?
could you not fortify?
could they not fortify?

V-ing form

could I not be fortifying?
could you not be fortifying?
could he not be fortifying?
could we not be fortifying?
could you not be fortifying?
could they not be fortifying?

Perfect

could I not have fortified?
could you not have fortified?
could he not have fortified?
could we not have fortified?
could you not have fortified?
could they not have fortified?

V-ing perfect

could I not have been fortifying?
could you not have been fortifying?
could he not have been fortifying?
could we not have been fortifying?
could you not have been fortifying?
could they not have been fortifying?

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