I must deep-freeze you must deep-freeze she must deep-freeze we must deep-freeze you must deep-freeze they must deep-freeze
V-ing form
I must be deep-freezing you must be deep-freezing she must be deep-freezing we must be deep-freezing you must be deep-freezing they must be deep-freezing
Perfect
I must have deep-freezed you must have deep-freezed she must have deep-freezed we must have deep-freezed you must have deep-freezed they must have deep-freezed
V-ing perfect
I must have been deep-freezing you must have been deep-freezing she must have been deep-freezing we must have been deep-freezing you must have been deep-freezing they must have been deep-freezing
Negation
Simple form
I must not deep-freeze you must not deep-freeze she must not deep-freeze we must not deep-freeze you must not deep-freeze they must not deep-freeze
V-ing form
I must not be deep-freezing you must not be deep-freezing she must not be deep-freezing we must not be deep-freezing you must not be deep-freezing they must not be deep-freezing
Perfect
I must not have deep-freezed you must not have deep-freezed she must not have deep-freezed we must not have deep-freezed you must not have deep-freezed they must not have deep-freezed
V-ing perfect
I must not have been deep-freezing you must not have been deep-freezing she must not have been deep-freezing we must not have been deep-freezing you must not have been deep-freezing they must not have been deep-freezing
Interrogative form
Simple form
must I deep-freeze? must you deep-freeze? must she deep-freeze? must we deep-freeze? must you deep-freeze? must they deep-freeze?
V-ing form
must I be deep-freezing? must you be deep-freezing? must she be deep-freezing? must we be deep-freezing? must you be deep-freezing? must they be deep-freezing?
Perfect
must I have deep-freezed? must you have deep-freezed? must she have deep-freezed? must we have deep-freezed? must you have deep-freezed? must they have deep-freezed?
V-ing perfect
must I have been deep-freezing? must you have been deep-freezing? must she have been deep-freezing? must we have been deep-freezing? must you have been deep-freezing? must they have been deep-freezing?
Interro-negative form
Simple form
must I not deep-freeze? must you not deep-freeze? must she not deep-freeze? must we not deep-freeze? must you not deep-freeze? must they not deep-freeze?
V-ing form
must I not be deep-freezing? must you not be deep-freezing? must she not be deep-freezing? must we not be deep-freezing? must you not be deep-freezing? must they not be deep-freezing?
Perfect
must I not have deep-freezed? must you not have deep-freezed? must she not have deep-freezed? must we not have deep-freezed? must you not have deep-freezed? must they not have deep-freezed?
V-ing perfect
must I not have been deep-freezing? must you not have been deep-freezing? must she not have been deep-freezing? must we not have been deep-freezing? must you not have been deep-freezing? must they not have been deep-freezing?