Conjugação do verbo inglês COULD KEEN

Verbo regular: keen - keened - keened

Afirmação

Forma simple

I could keen
you could keen
she could keen
we could keen
you could keen
they could keen

Forma com V-ing

I could be keening
you could be keening
she could be keening
we could be keening
you could be keening
they could be keening

Perfeito

I could have keened
you could have keened
she could have keened
we could have keened
you could have keened
they could have keened

Perfeito com V-ing

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

Negação

Forma simple

I couldn't keen
you couldn't keen
she couldn't keen
we couldn't keen
you couldn't keen
they couldn't keen

Forma com V-ing

I couldn't be keening
you couldn't be keening
she couldn't be keening
we couldn't be keening
you couldn't be keening
they couldn't be keening

Perfeito

I couldn't have keened
you couldn't have keened
she couldn't have keened
we couldn't have keened
you couldn't have keened
they couldn't have keened

Perfeito com V-ing

I couldn't have been keening
you couldn't have been keening
she couldn't have been keening
we couldn't have been keening
you couldn't have been keening
they couldn't have been keening

Forma interrogativa

Forma simple

could I keen?
could you keen?
could she keen?
could we keen?
could you keen?
could they keen?

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

Forma interro-Negação

Forma simple

couldn't I keen?
couldn't you keen?
couldn't she keen?
couldn't we keen?
couldn't you keen?
couldn't they keen?

Forma com V-ing

couldn't I be keening?
couldn't you be keening?
couldn't she be keening?
couldn't we be keening?
couldn't you be keening?
couldn't they be keening?

Perfeito

couldn't I have keened?
couldn't you have keened?
couldn't she have keened?
couldn't we have keened?
couldn't you have keened?
couldn't they have keened?

Perfeito com V-ing

couldn't I have been keening?
couldn't you have been keening?
couldn't she have been keening?
couldn't we have been keening?
couldn't you have been keening?
couldn't they have been keening?

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