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

English verb conjugation COULD VERIFY

Regular verb: verify - verified - verified


Affirmation

Simple form
I could verify
you could verify
she could verify
we could verify
you could verify
they could verify
V-ing form
I could be verifying
you could be verifying
she could be verifying
we could be verifying
you could be verifying
they could be verifying
Perfect
I could have verified
you could have verified
she could have verified
we could have verified
you could have verified
they could have verified
V-ing perfect
I could have been verifying
you could have been verifying
she could have been verifying
we could have been verifying
you could have been verifying
they could have been verifying

Negation

Simple form
I couldn't verify
you couldn't verify
she couldn't verify
we couldn't verify
you couldn't verify
they couldn't verify
V-ing form
I couldn't be verifying
you couldn't be verifying
she couldn't be verifying
we couldn't be verifying
you couldn't be verifying
they couldn't be verifying
Perfect
I couldn't have verified
you couldn't have verified
she couldn't have verified
we couldn't have verified
you couldn't have verified
they couldn't have verified
V-ing perfect
I couldn't have been verifying
you couldn't have been verifying
she couldn't have been verifying
we couldn't have been verifying
you couldn't have been verifying
they couldn't have been verifying

Interrogative form

Simple form
could I verify?
could you verify?
could she verify?
could we verify?
could you verify?
could they verify?
V-ing form
could I be verifying?
could you be verifying?
could she be verifying?
could we be verifying?
could you be verifying?
could they be verifying?
Perfect
could I have verified?
could you have verified?
could she have verified?
could we have verified?
could you have verified?
could they have verified?
V-ing perfect
could I have been verifying?
could you have been verifying?
could she have been verifying?
could we have been verifying?
could you have been verifying?
could they have been verifying?

Interro-negative form

Simple form
couldn't I verify?
couldn't you verify?
couldn't she verify?
couldn't we verify?
couldn't you verify?
couldn't they verify?
V-ing form
couldn't I be verifying?
couldn't you be verifying?
couldn't she be verifying?
couldn't we be verifying?
couldn't you be verifying?
couldn't they be verifying?
Perfect
couldn't I have verified?
couldn't you have verified?
couldn't she have verified?
couldn't we have verified?
couldn't you have verified?
couldn't they have verified?
V-ing perfect
couldn't I have been verifying?
couldn't you have been verifying?
couldn't she have been verifying?
couldn't we have been verifying?
couldn't you have been verifying?
couldn't they have been verifying?