I must freeze-fracture you must freeze-fracture she must freeze-fracture we must freeze-fracture you must freeze-fracture they must freeze-fracture
V-ing form
I must be freeze-fracturing you must be freeze-fracturing she must be freeze-fracturing we must be freeze-fracturing you must be freeze-fracturing they must be freeze-fracturing
Perfect
I must have freeze-fractured you must have freeze-fractured she must have freeze-fractured we must have freeze-fractured you must have freeze-fractured they must have freeze-fractured
V-ing perfect
I must have been freeze-fracturing you must have been freeze-fracturing she must have been freeze-fracturing we must have been freeze-fracturing you must have been freeze-fracturing they must have been freeze-fracturing
Negation
Simple form
I mustn't freeze-fracture you mustn't freeze-fracture she mustn't freeze-fracture we mustn't freeze-fracture you mustn't freeze-fracture they mustn't freeze-fracture
V-ing form
I mustn't be freeze-fracturing you mustn't be freeze-fracturing she mustn't be freeze-fracturing we mustn't be freeze-fracturing you mustn't be freeze-fracturing they mustn't be freeze-fracturing
Perfect
I mustn't have freeze-fractured you mustn't have freeze-fractured she mustn't have freeze-fractured we mustn't have freeze-fractured you mustn't have freeze-fractured they mustn't have freeze-fractured
V-ing perfect
I mustn't have been freeze-fracturing you mustn't have been freeze-fracturing she mustn't have been freeze-fracturing we mustn't have been freeze-fracturing you mustn't have been freeze-fracturing they mustn't have been freeze-fracturing
Interrogative form
Simple form
must I freeze-fracture? must you freeze-fracture? must she freeze-fracture? must we freeze-fracture? must you freeze-fracture? must they freeze-fracture?
V-ing form
must I be freeze-fracturing? must you be freeze-fracturing? must she be freeze-fracturing? must we be freeze-fracturing? must you be freeze-fracturing? must they be freeze-fracturing?
Perfect
must I have freeze-fractured? must you have freeze-fractured? must she have freeze-fractured? must we have freeze-fractured? must you have freeze-fractured? must they have freeze-fractured?
V-ing perfect
must I have been freeze-fracturing? must you have been freeze-fracturing? must she have been freeze-fracturing? must we have been freeze-fracturing? must you have been freeze-fracturing? must they have been freeze-fracturing?
Interro-negative form
Simple form
mustn't I freeze-fracture? mustn't you freeze-fracture? mustn't she freeze-fracture? mustn't we freeze-fracture? mustn't you freeze-fracture? mustn't they freeze-fracture?
V-ing form
mustn't I be freeze-fracturing? mustn't you be freeze-fracturing? mustn't she be freeze-fracturing? mustn't we be freeze-fracturing? mustn't you be freeze-fracturing? mustn't they be freeze-fracturing?
Perfect
mustn't I have freeze-fractured? mustn't you have freeze-fractured? mustn't she have freeze-fractured? mustn't we have freeze-fractured? mustn't you have freeze-fractured? mustn't they have freeze-fractured?
V-ing perfect
mustn't I have been freeze-fracturing? mustn't you have been freeze-fracturing? mustn't she have been freeze-fracturing? mustn't we have been freeze-fracturing? mustn't you have been freeze-fracturing? mustn't they have been freeze-fracturing?