English verb conjugation
MUST FREEZE

Irregular verb: freeze - froze - frozen

Affirmation

Simple form	V-ing form
I must freeze you must freeze she must freeze we must freeze you must freeze they must freeze	I must be freezing you must be freezing she 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 she 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 she 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 must not freeze you must not freeze she must not freeze we must not freeze you must not freeze they must not freeze	I must not be freezing you must not be freezing she must not be freezing we must not be freezing you must not be freezing they must not be freezing
Perfect	V-ing perfect
I must not have frozen you must not have frozen she must not have frozen we must not have frozen you must not have frozen they must not have frozen	I must not have been freezing you must not have been freezing she must not have been freezing we must not have been freezing you must not have been freezing they must not have been freezing

Interrogative form

Simple form	V-ing form
must I freeze? must you freeze? must she freeze? must we freeze? must you freeze? must they freeze?	must I be freezing? must you be freezing? must she 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 she 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 she 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
must I not freeze? must you not freeze? must she not freeze? must we not freeze? must you not freeze? must they not freeze?	must I not be freezing? must you not be freezing? must she not be freezing? must we not be freezing? must you not be freezing? must they not be freezing?
Perfect	V-ing perfect
must I not have frozen? must you not have frozen? must she not have frozen? must we not have frozen? must you not have frozen? must they not have frozen?	must I not have been freezing? must you not have been freezing? must she not have been freezing? must we not have been freezing? must you not have been freezing? must they not have been freezing?