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

English verb conjugation CAN AUTHENTICATE

Regular verb: authenticate - authenticated - authenticated


Affirmation

Simple form
I can authenticate
you can authenticate
he can authenticate
we can authenticate
you can authenticate
they can authenticate
V-ing form
I can be authenticating
you can be authenticating
he can be authenticating
we can be authenticating
you can be authenticating
they can be authenticating
Perfect
I can have authenticated
you can have authenticated
he can have authenticated
we can have authenticated
you can have authenticated
they can have authenticated
V-ing perfect
I can have been authenticating
you can have been authenticating
he can have been authenticating
we can have been authenticating
you can have been authenticating
they can have been authenticating

Negation

Simple form
I can't authenticate
you can't authenticate
he can't authenticate
we can't authenticate
you can't authenticate
they can't authenticate
V-ing form
I can't be authenticating
you can't be authenticating
he can't be authenticating
we can't be authenticating
you can't be authenticating
they can't be authenticating
Perfect
I can't have authenticated
you can't have authenticated
he can't have authenticated
we can't have authenticated
you can't have authenticated
they can't have authenticated
V-ing perfect
I can't have been authenticating
you can't have been authenticating
he can't have been authenticating
we can't have been authenticating
you can't have been authenticating
they can't have been authenticating

Interrogative form

Simple form
can I authenticate?
can you authenticate?
can he authenticate?
can we authenticate?
can you authenticate?
can they authenticate?
V-ing form
can I be authenticating?
can you be authenticating?
can he be authenticating?
can we be authenticating?
can you be authenticating?
can they be authenticating?
Perfect
can I have authenticated?
can you have authenticated?
can he have authenticated?
can we have authenticated?
can you have authenticated?
can they have authenticated?
V-ing perfect
can I have been authenticating?
can you have been authenticating?
can he have been authenticating?
can we have been authenticating?
can you have been authenticating?
can they have been authenticating?

Interro-negative form

Simple form
can't I authenticate?
can't you authenticate?
can't he authenticate?
can't we authenticate?
can't you authenticate?
can't they authenticate?
V-ing form
can't I be authenticating?
can't you be authenticating?
can't he be authenticating?
can't we be authenticating?
can't you be authenticating?
can't they be authenticating?
Perfect
can't I have authenticated?
can't you have authenticated?
can't he have authenticated?
can't we have authenticated?
can't you have authenticated?
can't they have authenticated?
V-ing perfect
can't I have been authenticating?
can't you have been authenticating?
can't he have been authenticating?
can't we have been authenticating?
can't you have been authenticating?
can't they have been authenticating?