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