Conjugação do verbo inglês COULD AUTHENTICATE

Verbo regular: authenticate - authenticated - authenticated

Afirmação

Forma simple

I could authenticate
you could authenticate
she could authenticate
we could authenticate
you could authenticate
they could authenticate

Forma com V-ing

I could be authenticating
you could be authenticating
she could be authenticating
we could be authenticating
you could be authenticating
they could be authenticating

Perfeito

I could have authenticated
you could have authenticated
she could have authenticated
we could have authenticated
you could have authenticated
they could have authenticated

Perfeito com V-ing

I could have been authenticating
you could have been authenticating
she could have been authenticating
we could have been authenticating
you could have been authenticating
they could have been authenticating

Negação

Forma simple

I could not authenticate
you could not authenticate
she could not authenticate
we could not authenticate
you could not authenticate
they could not authenticate

Forma com V-ing

I could not be authenticating
you could not be authenticating
she could not be authenticating
we could not be authenticating
you could not be authenticating
they could not be authenticating

Perfeito

I could not have authenticated
you could not have authenticated
she could not have authenticated
we could not have authenticated
you could not have authenticated
they could not have authenticated

Perfeito com V-ing

I could not have been authenticating
you could not have been authenticating
she could not have been authenticating
we could not have been authenticating
you could not have been authenticating
they could not have been authenticating

Forma interrogativa

Forma simple

could I authenticate?
could you authenticate?
could she authenticate?
could we authenticate?
could you authenticate?
could they authenticate?

Forma com V-ing

could I be authenticating?
could you be authenticating?
could she be authenticating?
could we be authenticating?
could you be authenticating?
could they be authenticating?

Perfeito

could I have authenticated?
could you have authenticated?
could she have authenticated?
could we have authenticated?
could you have authenticated?
could they have authenticated?

Perfeito com V-ing

could I have been authenticating?
could you have been authenticating?
could she have been authenticating?
could we have been authenticating?
could you have been authenticating?
could they have been authenticating?

Forma interro-Negação

Forma simple

could I not authenticate?
could you not authenticate?
could she not authenticate?
could we not authenticate?
could you not authenticate?
could they not authenticate?

Forma com V-ing

could I not be authenticating?
could you not be authenticating?
could she not be authenticating?
could we not be authenticating?
could you not be authenticating?
could they not be authenticating?

Perfeito

could I not have authenticated?
could you not have authenticated?
could she not have authenticated?
could we not have authenticated?
could you not have authenticated?
could they not have authenticated?

Perfeito com V-ing

could I not have been authenticating?
could you not have been authenticating?
could she not have been authenticating?
could we not have been authenticating?
could you not have been authenticating?
could they not have been authenticating?

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