I must parent you must parent she must parent we must parent you must parent they must parent
V-ing form
I must be parenting you must be parenting she must be parenting we must be parenting you must be parenting they must be parenting
Perfect
I must have parented you must have parented she must have parented we must have parented you must have parented they must have parented
V-ing perfect
I must have been parenting you must have been parenting she must have been parenting we must have been parenting you must have been parenting they must have been parenting
Negation
Simple form
I mustn't parent you mustn't parent she mustn't parent we mustn't parent you mustn't parent they mustn't parent
V-ing form
I mustn't be parenting you mustn't be parenting she mustn't be parenting we mustn't be parenting you mustn't be parenting they mustn't be parenting
Perfect
I mustn't have parented you mustn't have parented she mustn't have parented we mustn't have parented you mustn't have parented they mustn't have parented
V-ing perfect
I mustn't have been parenting you mustn't have been parenting she mustn't have been parenting we mustn't have been parenting you mustn't have been parenting they mustn't have been parenting
Interrogative form
Simple form
must I parent? must you parent? must she parent? must we parent? must you parent? must they parent?
V-ing form
must I be parenting? must you be parenting? must she be parenting? must we be parenting? must you be parenting? must they be parenting?
Perfect
must I have parented? must you have parented? must she have parented? must we have parented? must you have parented? must they have parented?
V-ing perfect
must I have been parenting? must you have been parenting? must she have been parenting? must we have been parenting? must you have been parenting? must they have been parenting?
Interro-negative form
Simple form
mustn't I parent? mustn't you parent? mustn't she parent? mustn't we parent? mustn't you parent? mustn't they parent?
V-ing form
mustn't I be parenting? mustn't you be parenting? mustn't she be parenting? mustn't we be parenting? mustn't you be parenting? mustn't they be parenting?
Perfect
mustn't I have parented? mustn't you have parented? mustn't she have parented? mustn't we have parented? mustn't you have parented? mustn't they have parented?
V-ing perfect
mustn't I have been parenting? mustn't you have been parenting? mustn't she have been parenting? mustn't we have been parenting? mustn't you have been parenting? mustn't they have been parenting?