English verb conjugation
MUST FREEZE

Irregular verb: freeze - froze - frozen

Affirmation

Simple form	V-ing form
I must freeze you must freeze he must freeze we must freeze you must freeze they must freeze	I must be freezing you must be freezing he must be freezing we must be freezing you must be freezing they must be freezing
Perfect	V-ing perfect
I must have frozen you must have frozen he must have frozen we must have frozen you must have frozen they must have frozen	I must have been freezing you must have been freezing he must have been freezing we must have been freezing you must have been freezing they must have been freezing

Negation

Simple form	V-ing form
I mustn't freeze you mustn't freeze he mustn't freeze we mustn't freeze you mustn't freeze they mustn't freeze	I mustn't be freezing you mustn't be freezing he mustn't be freezing we mustn't be freezing you mustn't be freezing they mustn't be freezing
Perfect	V-ing perfect
I mustn't have frozen you mustn't have frozen he mustn't have frozen we mustn't have frozen you mustn't have frozen they mustn't have frozen	I mustn't have been freezing you mustn't have been freezing he mustn't have been freezing we mustn't have been freezing you mustn't have been freezing they mustn't have been freezing

Interrogative form

Simple form	V-ing form
must I freeze? must you freeze? must he freeze? must we freeze? must you freeze? must they freeze?	must I be freezing? must you be freezing? must he be freezing? must we be freezing? must you be freezing? must they be freezing?
Perfect	V-ing perfect
must I have frozen? must you have frozen? must he have frozen? must we have frozen? must you have frozen? must they have frozen?	must I have been freezing? must you have been freezing? must he have been freezing? must we have been freezing? must you have been freezing? must they have been freezing?

Interro-negative form

Simple form	V-ing form
mustn't I freeze? mustn't you freeze? mustn't he freeze? mustn't we freeze? mustn't you freeze? mustn't they freeze?	mustn't I be freezing? mustn't you be freezing? mustn't he be freezing? mustn't we be freezing? mustn't you be freezing? mustn't they be freezing?
Perfect	V-ing perfect
mustn't I have frozen? mustn't you have frozen? mustn't he have frozen? mustn't we have frozen? mustn't you have frozen? mustn't they have frozen?	mustn't I have been freezing? mustn't you have been freezing? mustn't he have been freezing? mustn't we have been freezing? mustn't you have been freezing? mustn't they have been freezing?