English verb conjugation
MUST EAT

Irregular verb: eat - ate - eaten

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Negation

Simple form	V-ing form
I mustn't eat you mustn't eat he mustn't eat we mustn't eat you mustn't eat they mustn't eat	I mustn't be eating you mustn't be eating he mustn't be eating we mustn't be eating you mustn't be eating they mustn't be eating
Perfect	V-ing perfect
I mustn't have eaten you mustn't have eaten he mustn't have eaten we mustn't have eaten you mustn't have eaten they mustn't have eaten	I mustn't have been eating you mustn't have been eating he mustn't have been eating we mustn't have been eating you mustn't have been eating they mustn't have been eating

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?

Interro-negative form

Simple form	V-ing form
mustn't I eat? mustn't you eat? mustn't he eat? mustn't we eat? mustn't you eat? mustn't they eat?	mustn't I be eating? mustn't you be eating? mustn't he be eating? mustn't we be eating? mustn't you be eating? mustn't they be eating?
Perfect	V-ing perfect
mustn't I have eaten? mustn't you have eaten? mustn't he have eaten? mustn't we have eaten? mustn't you have eaten? mustn't they have eaten?	mustn't I have been eating? mustn't you have been eating? mustn't he have been eating? mustn't we have been eating? mustn't you have been eating? mustn't they have been eating?