Conjugação do verbo inglês COULD PREEXIST

Verbo regular: preexist - preexisted - preexisted

Afirmação

Forma simple

I could preexist
you could preexist
he could preexist
we could preexist
you could preexist
they could preexist

Forma com V-ing

I could be preexisting
you could be preexisting
he could be preexisting
we could be preexisting
you could be preexisting
they could be preexisting

Perfeito

I could have preexisted
you could have preexisted
he could have preexisted
we could have preexisted
you could have preexisted
they could have preexisted

Perfeito com V-ing

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

Negação

Forma simple

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

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

Forma interrogativa

Forma simple

could I preexist?
could you preexist?
could he preexist?
could we preexist?
could you preexist?
could they preexist?

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

Forma interro-Negação

Forma simple

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

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

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