Conjugação do verbo inglês COULD PREVENT

Verbo regular: prevent - prevented - prevented

Afirmação

Forma simple

I could prevent
you could prevent
he could prevent
we could prevent
you could prevent
they could prevent

Forma com V-ing

I could be preventing
you could be preventing
he could be preventing
we could be preventing
you could be preventing
they could be preventing

Perfeito

I could have prevented
you could have prevented
he could have prevented
we could have prevented
you could have prevented
they could have prevented

Perfeito com V-ing

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

Negação

Forma simple

I couldn't prevent
you couldn't prevent
he couldn't prevent
we couldn't prevent
you couldn't prevent
they couldn't prevent

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

Forma interrogativa

Forma simple

could I prevent?
could you prevent?
could he prevent?
could we prevent?
could you prevent?
could they prevent?

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

Forma interro-Negação

Forma simple

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

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

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