Conjugação do verbo inglês COULD UNDERSIGN

Verbo regular: undersign - undersigned - undersigned

Afirmação

Forma simple

I could undersign
you could undersign
she could undersign
we could undersign
you could undersign
they could undersign

Forma com V-ing

I could be undersigning
you could be undersigning
she could be undersigning
we could be undersigning
you could be undersigning
they could be undersigning

Perfeito

I could have undersigned
you could have undersigned
she could have undersigned
we could have undersigned
you could have undersigned
they could have undersigned

Perfeito com V-ing

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

Negação

Forma simple

I could not undersign
you could not undersign
she could not undersign
we could not undersign
you could not undersign
they could not undersign

Forma com V-ing

I could not be undersigning
you could not be undersigning
she could not be undersigning
we could not be undersigning
you could not be undersigning
they could not be undersigning

Perfeito

I could not have undersigned
you could not have undersigned
she could not have undersigned
we could not have undersigned
you could not have undersigned
they could not have undersigned

Perfeito com V-ing

I could not have been undersigning
you could not have been undersigning
she could not have been undersigning
we could not have been undersigning
you could not have been undersigning
they could not have been undersigning

Forma interrogativa

Forma simple

could I undersign?
could you undersign?
could she undersign?
could we undersign?
could you undersign?
could they undersign?

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

Forma interro-Negação

Forma simple

could I not undersign?
could you not undersign?
could she not undersign?
could we not undersign?
could you not undersign?
could they not undersign?

Forma com V-ing

could I not be undersigning?
could you not be undersigning?
could she not be undersigning?
could we not be undersigning?
could you not be undersigning?
could they not be undersigning?

Perfeito

could I not have undersigned?
could you not have undersigned?
could she not have undersigned?
could we not have undersigned?
could you not have undersigned?
could they not have undersigned?

Perfeito com V-ing

could I not have been undersigning?
could you not have been undersigning?
could she not have been undersigning?
could we not have been undersigning?
could you not have been undersigning?
could they not have been undersigning?

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