Conjugação do verbo inglês
COULD COMBINE

Verbo regular: combine - combined - combined

Afirmação

Forma simple	Forma com V-ing
I could combine you could combine she could combine we could combine you could combine they could combine	I could be combining you could be combining she could be combining we could be combining you could be combining they could be combining
Perfeito	Perfeito com V-ing
I could have combined you could have combined she could have combined we could have combined you could have combined they could have combined	I could have been combining you could have been combining she could have been combining we could have been combining you could have been combining they could have been combining

Negação

Forma simple	Forma com V-ing
I could not combine you could not combine she could not combine we could not combine you could not combine they could not combine	I could not be combining you could not be combining she could not be combining we could not be combining you could not be combining they could not be combining
Perfeito	Perfeito com V-ing
I could not have combined you could not have combined she could not have combined we could not have combined you could not have combined they could not have combined	I could not have been combining you could not have been combining she could not have been combining we could not have been combining you could not have been combining they could not have been combining

Forma interrogativa

Forma simple	Forma com V-ing
could I combine? could you combine? could she combine? could we combine? could you combine? could they combine?	could I be combining? could you be combining? could she be combining? could we be combining? could you be combining? could they be combining?
Perfeito	Perfeito com V-ing
could I have combined? could you have combined? could she have combined? could we have combined? could you have combined? could they have combined?	could I have been combining? could you have been combining? could she have been combining? could we have been combining? could you have been combining? could they have been combining?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not combine? could you not combine? could she not combine? could we not combine? could you not combine? could they not combine?	could I not be combining? could you not be combining? could she not be combining? could we not be combining? could you not be combining? could they not be combining?
Perfeito	Perfeito com V-ing
could I not have combined? could you not have combined? could she not have combined? could we not have combined? could you not have combined? could they not have combined?	could I not have been combining? could you not have been combining? could she not have been combining? could we not have been combining? could you not have been combining? could they not have been combining?