must pity
Regular verb: pity - pitied- pitied

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must pity
you must pity
he must pity
we must pity
you must pity
they must pity 	I must be pitying
you must be pitying
he must be pitying
we must be pitying
you must be pitying
they must be pitying	I must have pitied
you must have pitied
he must have pitied
we must have pitied
you must have pitied
they must have pitied	I must have been pitying
you must have been pitying
he must have been pitying
we must have been pitying
you must have been pitying
they must have been pitying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't pity
you mustn't pity
he mustn't pity
we mustn't pity
you mustn't pity
they mustn't pity 	I mustn't be pitying
you mustn't be pitying
he mustn't be pitying
we mustn't be pitying
you mustn't be pitying
they mustn't be pitying	I mustn't have pitied
you mustn't have pitied
he mustn't have pitied
we mustn't have pitied
you mustn't have pitied
they mustn't have pitied	I mustn't have been pitying
you mustn't have been pitying
he mustn't have been pitying
we mustn't have been pitying
you mustn't have been pitying
they mustn't have been pitying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I pity?
must you pity?
must he pity?
must we pity?
must you pity?
must they pity? 	must I be pitying?
must you be pitying?
must he be pitying?
must we be pitying?
must you be pitying?
must they be pitying? 	must I have pitied?
must you have pitied?
must he have pitied?
must we have pitied?
must you have pitied?
must they have pitied? 	must I have been pitying?
must you have been pitying?
must he have been pitying?
must we have been pitying?
must you have been pitying?
must they have been pitying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I pity?
mustn't you pity?
mustn't he pity?
mustn't we pity?
mustn't you pity?
mustn't they pity? 	mustn't I be pitying?
mustn't you be pitying?
mustn't he be pitying?
mustn't we be pitying?
mustn't you be pitying?
mustn't they be pitying? 	mustn't I have pitied?
mustn't you have pitied?
mustn't he have pitied?
mustn't we have pitied?
mustn't you have pitied?
mustn't they have pitied? 	mustn't I have been pitying?
mustn't you have been pitying?
mustn't he have been pitying?
mustn't we have been pitying?
mustn't you have been pitying?
mustn't they have been pitying?