must drink
Verbo irregular: drink - drank- drunk

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

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not drink
you must not drink
she must not drink
we must not drink
you must not drink
they must not drink 	I must not be drinking
you must not be drinking
she must not be drinking
we must not be drinking
you must not be drinking
they must not be drinking	I must not have drunk
you must not have drunk
she must not have drunk
we must not have drunk
you must not have drunk
they must not have drunk	I must not have been drinking
you must not have been drinking
she must not have been drinking
we must not have been drinking
you must not have been drinking
they must not have been drinking	

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

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