I must wean you must wean he must wean we must wean you must wean they must wean
V-ing form
I must be weaning you must be weaning he must be weaning we must be weaning you must be weaning they must be weaning
Perfect
I must have weaned you must have weaned he must have weaned we must have weaned you must have weaned they must have weaned
V-ing perfect
I must have been weaning you must have been weaning he must have been weaning we must have been weaning you must have been weaning they must have been weaning
Negation
Simple form
I mustn't wean you mustn't wean he mustn't wean we mustn't wean you mustn't wean they mustn't wean
V-ing form
I mustn't be weaning you mustn't be weaning he mustn't be weaning we mustn't be weaning you mustn't be weaning they mustn't be weaning
Perfect
I mustn't have weaned you mustn't have weaned he mustn't have weaned we mustn't have weaned you mustn't have weaned they mustn't have weaned
V-ing perfect
I mustn't have been weaning you mustn't have been weaning he mustn't have been weaning we mustn't have been weaning you mustn't have been weaning they mustn't have been weaning
Interrogative form
Simple form
must I wean? must you wean? must he wean? must we wean? must you wean? must they wean?
V-ing form
must I be weaning? must you be weaning? must he be weaning? must we be weaning? must you be weaning? must they be weaning?
Perfect
must I have weaned? must you have weaned? must he have weaned? must we have weaned? must you have weaned? must they have weaned?
V-ing perfect
must I have been weaning? must you have been weaning? must he have been weaning? must we have been weaning? must you have been weaning? must they have been weaning?
Interro-negative form
Simple form
mustn't I wean? mustn't you wean? mustn't he wean? mustn't we wean? mustn't you wean? mustn't they wean?
V-ing form
mustn't I be weaning? mustn't you be weaning? mustn't he be weaning? mustn't we be weaning? mustn't you be weaning? mustn't they be weaning?
Perfect
mustn't I have weaned? mustn't you have weaned? mustn't he have weaned? mustn't we have weaned? mustn't you have weaned? mustn't they have weaned?
V-ing perfect
mustn't I have been weaning? mustn't you have been weaning? mustn't he have been weaning? mustn't we have been weaning? mustn't you have been weaning? mustn't they have been weaning?