must nurse
Regular verb: nurse - nursed- nursed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must nurse
you must nurse
he must nurse
we must nurse
you must nurse
they must nurse 	I must be nursing
you must be nursing
he must be nursing
we must be nursing
you must be nursing
they must be nursing	I must have nursed
you must have nursed
he must have nursed
we must have nursed
you must have nursed
they must have nursed	I must have been nursing
you must have been nursing
he must have been nursing
we must have been nursing
you must have been nursing
they must have been nursing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't nurse
you mustn't nurse
he mustn't nurse
we mustn't nurse
you mustn't nurse
they mustn't nurse 	I mustn't be nursing
you mustn't be nursing
he mustn't be nursing
we mustn't be nursing
you mustn't be nursing
they mustn't be nursing	I mustn't have nursed
you mustn't have nursed
he mustn't have nursed
we mustn't have nursed
you mustn't have nursed
they mustn't have nursed	I mustn't have been nursing
you mustn't have been nursing
he mustn't have been nursing
we mustn't have been nursing
you mustn't have been nursing
they mustn't have been nursing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I nurse?
must you nurse?
must he nurse?
must we nurse?
must you nurse?
must they nurse? 	must I be nursing?
must you be nursing?
must he be nursing?
must we be nursing?
must you be nursing?
must they be nursing? 	must I have nursed?
must you have nursed?
must he have nursed?
must we have nursed?
must you have nursed?
must they have nursed? 	must I have been nursing?
must you have been nursing?
must he have been nursing?
must we have been nursing?
must you have been nursing?
must they have been nursing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I nurse?
mustn't you nurse?
mustn't he nurse?
mustn't we nurse?
mustn't you nurse?
mustn't they nurse? 	mustn't I be nursing?
mustn't you be nursing?
mustn't he be nursing?
mustn't we be nursing?
mustn't you be nursing?
mustn't they be nursing? 	mustn't I have nursed?
mustn't you have nursed?
mustn't he have nursed?
mustn't we have nursed?
mustn't you have nursed?
mustn't they have nursed? 	mustn't I have been nursing?
mustn't you have been nursing?
mustn't he have been nursing?
mustn't we have been nursing?
mustn't you have been nursing?
mustn't they have been nursing?