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 couldn't maintain
you couldn't maintain
he couldn't maintain
we couldn't maintain
you couldn't maintain
they couldn't maintain

Forma com V-ing

I couldn't be maintaining
you couldn't be maintaining
he couldn't be maintaining
we couldn't be maintaining
you couldn't be maintaining
they couldn't be maintaining

Perfeito

I couldn't have maintained
you couldn't have maintained
he couldn't have maintained
we couldn't have maintained
you couldn't have maintained
they couldn't have maintained

Perfeito com V-ing

I couldn't have been maintaining
you couldn't have been maintaining
he couldn't have been maintaining
we couldn't have been maintaining
you couldn't have been maintaining
they couldn't 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

couldn't I maintain?
couldn't you maintain?
couldn't he maintain?
couldn't we maintain?
couldn't you maintain?
couldn't they maintain?

Forma com V-ing

couldn't I be maintaining?
couldn't you be maintaining?
couldn't he be maintaining?
couldn't we be maintaining?
couldn't you be maintaining?
couldn't they be maintaining?

Perfeito

couldn't I have maintained?
couldn't you have maintained?
couldn't he have maintained?
couldn't we have maintained?
couldn't you have maintained?
couldn't they have maintained?

Perfeito com V-ing

couldn't I have been maintaining?
couldn't you have been maintaining?
couldn't he have been maintaining?
couldn't we have been maintaining?
couldn't you have been maintaining?
couldn't they have been maintaining?

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