must enjoy
Regular verb: enjoy - enjoyed- enjoyed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must enjoy
you must enjoy
he must enjoy
we must enjoy
you must enjoy
they must enjoy 	I must be enjoying
you must be enjoying
he must be enjoying
we must be enjoying
you must be enjoying
they must be enjoying	I must have enjoyed
you must have enjoyed
he must have enjoyed
we must have enjoyed
you must have enjoyed
they must have enjoyed	I must have been enjoying
you must have been enjoying
he must have been enjoying
we must have been enjoying
you must have been enjoying
they must have been enjoying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't enjoy
you mustn't enjoy
he mustn't enjoy
we mustn't enjoy
you mustn't enjoy
they mustn't enjoy 	I mustn't be enjoying
you mustn't be enjoying
he mustn't be enjoying
we mustn't be enjoying
you mustn't be enjoying
they mustn't be enjoying	I mustn't have enjoyed
you mustn't have enjoyed
he mustn't have enjoyed
we mustn't have enjoyed
you mustn't have enjoyed
they mustn't have enjoyed	I mustn't have been enjoying
you mustn't have been enjoying
he mustn't have been enjoying
we mustn't have been enjoying
you mustn't have been enjoying
they mustn't have been enjoying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I enjoy?
must you enjoy?
must he enjoy?
must we enjoy?
must you enjoy?
must they enjoy? 	must I be enjoying?
must you be enjoying?
must he be enjoying?
must we be enjoying?
must you be enjoying?
must they be enjoying? 	must I have enjoyed?
must you have enjoyed?
must he have enjoyed?
must we have enjoyed?
must you have enjoyed?
must they have enjoyed? 	must I have been enjoying?
must you have been enjoying?
must he have been enjoying?
must we have been enjoying?
must you have been enjoying?
must they have been enjoying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I enjoy?
mustn't you enjoy?
mustn't he enjoy?
mustn't we enjoy?
mustn't you enjoy?
mustn't they enjoy? 	mustn't I be enjoying?
mustn't you be enjoying?
mustn't he be enjoying?
mustn't we be enjoying?
mustn't you be enjoying?
mustn't they be enjoying? 	mustn't I have enjoyed?
mustn't you have enjoyed?
mustn't he have enjoyed?
mustn't we have enjoyed?
mustn't you have enjoyed?
mustn't they have enjoyed? 	mustn't I have been enjoying?
mustn't you have been enjoying?
mustn't he have been enjoying?
mustn't we have been enjoying?
mustn't you have been enjoying?
mustn't they have been enjoying?