must modernise
Regular verb: modernise - modernised- modernised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must modernise
you must modernise
he must modernise
we must modernise
you must modernise
they must modernise 	I must be modernising
you must be modernising
he must be modernising
we must be modernising
you must be modernising
they must be modernising	I must have modernised
you must have modernised
he must have modernised
we must have modernised
you must have modernised
they must have modernised	I must have been modernising
you must have been modernising
he must have been modernising
we must have been modernising
you must have been modernising
they must have been modernising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not modernise
you must not modernise
he must not modernise
we must not modernise
you must not modernise
they must not modernise 	I must not be modernising
you must not be modernising
he must not be modernising
we must not be modernising
you must not be modernising
they must not be modernising	I must not have modernised
you must not have modernised
he must not have modernised
we must not have modernised
you must not have modernised
they must not have modernised	I must not have been modernising
you must not have been modernising
he must not have been modernising
we must not have been modernising
you must not have been modernising
they must not have been modernising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I modernise?
must you modernise?
must he modernise?
must we modernise?
must you modernise?
must they modernise? 	must I be modernising?
must you be modernising?
must he be modernising?
must we be modernising?
must you be modernising?
must they be modernising? 	must I have modernised?
must you have modernised?
must he have modernised?
must we have modernised?
must you have modernised?
must they have modernised? 	must I have been modernising?
must you have been modernising?
must he have been modernising?
must we have been modernising?
must you have been modernising?
must they have been modernising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not modernise?
must you not modernise?
must he not modernise?
must we not modernise?
must you not modernise?
must they not modernise? 	must I not be modernising?
must you not be modernising?
must he not be modernising?
must we not be modernising?
must you not be modernising?
must they not be modernising? 	must I not have modernised?
must you not have modernised?
must he not have modernised?
must we not have modernised?
must you not have modernised?
must they not have modernised? 	must I not have been modernising?
must you not have been modernising?
must he not have been modernising?
must we not have been modernising?
must you not have been modernising?
must they not have been modernising?