Conjugação do verbo inglês COULD MAINTAIN

Verbo regular: maintain - maintained - maintained

Afirmação

Forma simple

I could maintain
you could maintain
he could maintain
we could maintain
you could maintain
they could maintain

Forma com V-ing

I could be maintaining
you could be maintaining
he could be maintaining
we could be maintaining
you could be maintaining
they could be maintaining

Perfeito

I could have maintained
you could have maintained
he could have maintained
we could have maintained
you could have maintained
they could have maintained

Perfeito com V-ing

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

Negação

Forma simple

I could not maintain
you could not maintain
he could not maintain
we could not maintain
you could not maintain
they could not maintain

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

Forma interrogativa

Forma simple

could I maintain?
could you maintain?
could he maintain?
could we maintain?
could you maintain?
could they maintain?

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

Forma interro-Negação

Forma simple

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

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

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