must eat
Verbo irregular: eat - ate- eaten

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must eat
you must eat
he must eat
we must eat
you must eat
they must eat 	I must be eating
you must be eating
he must be eating
we must be eating
you must be eating
they must be eating	I must have eaten
you must have eaten
he must have eaten
we must have eaten
you must have eaten
they must have eaten	I must have been eating
you must have been eating
he must have been eating
we must have been eating
you must have been eating
they must have been eating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not eat
you must not eat
he must not eat
we must not eat
you must not eat
they must not eat 	I must not be eating
you must not be eating
he must not be eating
we must not be eating
you must not be eating
they must not be eating	I must not have eaten
you must not have eaten
he must not have eaten
we must not have eaten
you must not have eaten
they must not have eaten	I must not have been eating
you must not have been eating
he must not have been eating
we must not have been eating
you must not have been eating
they must not have been eating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I eat?
must you eat?
must he eat?
must we eat?
must you eat?
must they eat? 	must I be eating?
must you be eating?
must he be eating?
must we be eating?
must you be eating?
must they be eating? 	must I have eaten?
must you have eaten?
must he have eaten?
must we have eaten?
must you have eaten?
must they have eaten? 	must I have been eating?
must you have been eating?
must he have been eating?
must we have been eating?
must you have been eating?
must they have been eating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not eat?
must you not eat?
must he not eat?
must we not eat?
must you not eat?
must they not eat? 	must I not be eating?
must you not be eating?
must he not be eating?
must we not be eating?
must you not be eating?
must they not be eating? 	must I not have eaten?
must you not have eaten?
must he not have eaten?
must we not have eaten?
must you not have eaten?
must they not have eaten? 	must I not have been eating?
must you not have been eating?
must he not have been eating?
must we not have been eating?
must you not have been eating?
must they not have been eating?