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 must not penalise
you must not penalise
he must not penalise
we must not penalise
you must not penalise
they must not penalise 	I must not be penalising
you must not be penalising
he must not be penalising
we must not be penalising
you must not be penalising
they must not be penalising	I must not have penalised
you must not have penalised
he must not have penalised
we must not have penalised
you must not have penalised
they must not have penalised	I must not have been penalising
you must not have been penalising
he must not have been penalising
we must not have been penalising
you must not have been penalising
they must not 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 	
must I not penalise?
must you not penalise?
must he not penalise?
must we not penalise?
must you not penalise?
must they not penalise? 	must I not be penalising?
must you not be penalising?
must he not be penalising?
must we not be penalising?
must you not be penalising?
must they not be penalising? 	must I not have penalised?
must you not have penalised?
must he not have penalised?
must we not have penalised?
must you not have penalised?
must they not have penalised? 	must I not have been penalising?
must you not have been penalising?
must he not have been penalising?
must we not have been penalising?
must you not have been penalising?
must they not have been penalising?