could drink
Verbo irregular: drink - drank- drunk

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could drink
you could drink
she could drink
we could drink
you could drink
they could drink 	I could be drinking
you could be drinking
she could be drinking
we could be drinking
you could be drinking
they could be drinking	I could have drunk
you could have drunk
she could have drunk
we could have drunk
you could have drunk
they could have drunk	I could have been drinking
you could have been drinking
she could have been drinking
we could have been drinking
you could have been drinking
they could have been drinking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't drink
you couldn't drink
she couldn't drink
we couldn't drink
you couldn't drink
they couldn't drink 	I couldn't be drinking
you couldn't be drinking
she couldn't be drinking
we couldn't be drinking
you couldn't be drinking
they couldn't be drinking	I couldn't have drunk
you couldn't have drunk
she couldn't have drunk
we couldn't have drunk
you couldn't have drunk
they couldn't have drunk	I couldn't have been drinking
you couldn't have been drinking
she couldn't have been drinking
we couldn't have been drinking
you couldn't have been drinking
they couldn't have been drinking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I drink?
could you drink?
could she drink?
could we drink?
could you drink?
could they drink? 	could I be drinking?
could you be drinking?
could she be drinking?
could we be drinking?
could you be drinking?
could they be drinking? 	could I have drunk?
could you have drunk?
could she have drunk?
could we have drunk?
could you have drunk?
could they have drunk? 	could I have been drinking?
could you have been drinking?
could she have been drinking?
could we have been drinking?
could you have been drinking?
could they have been drinking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I drink?
couldn't you drink?
couldn't she drink?
couldn't we drink?
couldn't you drink?
couldn't they drink? 	couldn't I be drinking?
couldn't you be drinking?
couldn't she be drinking?
couldn't we be drinking?
couldn't you be drinking?
couldn't they be drinking? 	couldn't I have drunk?
couldn't you have drunk?
couldn't she have drunk?
couldn't we have drunk?
couldn't you have drunk?
couldn't they have drunk? 	couldn't I have been drinking?
couldn't you have been drinking?
couldn't she have been drinking?
couldn't we have been drinking?
couldn't you have been drinking?
couldn't they have been drinking?