Conjugação do verbo inglês
COULD GAS

Verbo regular: gas - gassed - gassed

Afirmação

Forma simple	Forma com V-ing
I could gas you could gas she could gas we could gas you could gas they could gas	I could be gassing you could be gassing she could be gassing we could be gassing you could be gassing they could be gassing
Perfeito	Perfeito com V-ing
I could have gassed you could have gassed she could have gassed we could have gassed you could have gassed they could have gassed	I could have been gassing you could have been gassing she could have been gassing we could have been gassing you could have been gassing they could have been gassing

Negação

Forma simple	Forma com V-ing
I could not gas you could not gas she could not gas we could not gas you could not gas they could not gas	I could not be gassing you could not be gassing she could not be gassing we could not be gassing you could not be gassing they could not be gassing
Perfeito	Perfeito com V-ing
I could not have gassed you could not have gassed she could not have gassed we could not have gassed you could not have gassed they could not have gassed	I could not have been gassing you could not have been gassing she could not have been gassing we could not have been gassing you could not have been gassing they could not have been gassing

Forma interrogativa

Forma simple	Forma com V-ing
could I gas? could you gas? could she gas? could we gas? could you gas? could they gas?	could I be gassing? could you be gassing? could she be gassing? could we be gassing? could you be gassing? could they be gassing?
Perfeito	Perfeito com V-ing
could I have gassed? could you have gassed? could she have gassed? could we have gassed? could you have gassed? could they have gassed?	could I have been gassing? could you have been gassing? could she have been gassing? could we have been gassing? could you have been gassing? could they have been gassing?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not gas? could you not gas? could she not gas? could we not gas? could you not gas? could they not gas?	could I not be gassing? could you not be gassing? could she not be gassing? could we not be gassing? could you not be gassing? could they not be gassing?
Perfeito	Perfeito com V-ing
could I not have gassed? could you not have gassed? could she not have gassed? could we not have gassed? could you not have gassed? could they not have gassed?	could I not have been gassing? could you not have been gassing? could she not have been gassing? could we not have been gassing? could you not have been gassing? could they not have been gassing?