I must dissatisfy you must dissatisfy she must dissatisfy we must dissatisfy you must dissatisfy they must dissatisfy
V-ing form
I must be dissatisfying you must be dissatisfying she must be dissatisfying we must be dissatisfying you must be dissatisfying they must be dissatisfying
Perfect
I must have dissatisfied you must have dissatisfied she 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 she 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 she 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 she 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 she 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 she 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 she dissatisfy? must we dissatisfy? must you dissatisfy? must they dissatisfy?
V-ing form
must I be dissatisfying? must you be dissatisfying? must she be dissatisfying? must we be dissatisfying? must you be dissatisfying? must they be dissatisfying?
Perfect
must I have dissatisfied? must you have dissatisfied? must she 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 she 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 she 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 she 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 she 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 she have been dissatisfying? mustn't we have been dissatisfying? mustn't you have been dissatisfying? mustn't they have been dissatisfying?