must penalise
Regular verb: penalise - penalised- penalised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must penalise
you must penalise
he must penalise
we must penalise
you must penalise
they must penalise 	I must be penalising
you must be penalising
he must be penalising
we must be penalising
you must be penalising
they must be penalising	I must have penalised
you must have penalised
he must have penalised
we must have penalised
you must have penalised
they must have penalised	I must have been penalising
you must have been penalising
he must have been penalising
we must have been penalising
you must have been penalising
they must have been penalising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't penalise
you mustn't penalise
he mustn't penalise
we mustn't penalise
you mustn't penalise
they mustn't penalise 	I mustn't be penalising
you mustn't be penalising
he mustn't be penalising
we mustn't be penalising
you mustn't be penalising
they mustn't be penalising	I mustn't have penalised
you mustn't have penalised
he mustn't have penalised
we mustn't have penalised
you mustn't have penalised
they mustn't have penalised	I mustn't have been penalising
you mustn't have been penalising
he mustn't have been penalising
we mustn't have been penalising
you mustn't have been penalising
they mustn't have been penalising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I penalise?
must you penalise?
must he penalise?
must we penalise?
must you penalise?
must they penalise? 	must I be penalising?
must you be penalising?
must he be penalising?
must we be penalising?
must you be penalising?
must they be penalising? 	must I have penalised?
must you have penalised?
must he have penalised?
must we have penalised?
must you have penalised?
must they have penalised? 	must I have been penalising?
must you have been penalising?
must he have been penalising?
must we have been penalising?
must you have been penalising?
must they have been penalising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I penalise?
mustn't you penalise?
mustn't he penalise?
mustn't we penalise?
mustn't you penalise?
mustn't they penalise? 	mustn't I be penalising?
mustn't you be penalising?
mustn't he be penalising?
mustn't we be penalising?
mustn't you be penalising?
mustn't they be penalising? 	mustn't I have penalised?
mustn't you have penalised?
mustn't he have penalised?
mustn't we have penalised?
mustn't you have penalised?
mustn't they have penalised? 	mustn't I have been penalising?
mustn't you have been penalising?
mustn't he have been penalising?
mustn't we have been penalising?
mustn't you have been penalising?
mustn't they have been penalising?