Conjugação do verbo inglês
COULD PUNCTURE

Verbo regular: puncture - punctured - punctured

Afirmação

Forma simple	Forma com V-ing
I could puncture you could puncture she could puncture we could puncture you could puncture they could puncture	I could be puncturing you could be puncturing she could be puncturing we could be puncturing you could be puncturing they could be puncturing
Perfeito	Perfeito com V-ing
I could have punctured you could have punctured she could have punctured we could have punctured you could have punctured they could have punctured	I could have been puncturing you could have been puncturing she could have been puncturing we could have been puncturing you could have been puncturing they could have been puncturing

Negação

Forma simple	Forma com V-ing
I could not puncture you could not puncture she could not puncture we could not puncture you could not puncture they could not puncture	I could not be puncturing you could not be puncturing she could not be puncturing we could not be puncturing you could not be puncturing they could not be puncturing
Perfeito	Perfeito com V-ing
I could not have punctured you could not have punctured she could not have punctured we could not have punctured you could not have punctured they could not have punctured	I could not have been puncturing you could not have been puncturing she could not have been puncturing we could not have been puncturing you could not have been puncturing they could not have been puncturing

Forma interrogativa

Forma simple	Forma com V-ing
could I puncture? could you puncture? could she puncture? could we puncture? could you puncture? could they puncture?	could I be puncturing? could you be puncturing? could she be puncturing? could we be puncturing? could you be puncturing? could they be puncturing?
Perfeito	Perfeito com V-ing
could I have punctured? could you have punctured? could she have punctured? could we have punctured? could you have punctured? could they have punctured?	could I have been puncturing? could you have been puncturing? could she have been puncturing? could we have been puncturing? could you have been puncturing? could they have been puncturing?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not puncture? could you not puncture? could she not puncture? could we not puncture? could you not puncture? could they not puncture?	could I not be puncturing? could you not be puncturing? could she not be puncturing? could we not be puncturing? could you not be puncturing? could they not be puncturing?
Perfeito	Perfeito com V-ing
could I not have punctured? could you not have punctured? could she not have punctured? could we not have punctured? could you not have punctured? could they not have punctured?	could I not have been puncturing? could you not have been puncturing? could she not have been puncturing? could we not have been puncturing? could you not have been puncturing? could they not have been puncturing?