must formalise
Regular verb: formalise - formalised- formalised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must formalise
you must formalise
he must formalise
we must formalise
you must formalise
they must formalise 	I must be formalising
you must be formalising
he must be formalising
we must be formalising
you must be formalising
they must be formalising	I must have formalised
you must have formalised
he must have formalised
we must have formalised
you must have formalised
they must have formalised	I must have been formalising
you must have been formalising
he must have been formalising
we must have been formalising
you must have been formalising
they must have been formalising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not formalise
you must not formalise
he must not formalise
we must not formalise
you must not formalise
they must not formalise 	I must not be formalising
you must not be formalising
he must not be formalising
we must not be formalising
you must not be formalising
they must not be formalising	I must not have formalised
you must not have formalised
he must not have formalised
we must not have formalised
you must not have formalised
they must not have formalised	I must not have been formalising
you must not have been formalising
he must not have been formalising
we must not have been formalising
you must not have been formalising
they must not have been formalising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I formalise?
must you formalise?
must he formalise?
must we formalise?
must you formalise?
must they formalise? 	must I be formalising?
must you be formalising?
must he be formalising?
must we be formalising?
must you be formalising?
must they be formalising? 	must I have formalised?
must you have formalised?
must he have formalised?
must we have formalised?
must you have formalised?
must they have formalised? 	must I have been formalising?
must you have been formalising?
must he have been formalising?
must we have been formalising?
must you have been formalising?
must they have been formalising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not formalise?
must you not formalise?
must he not formalise?
must we not formalise?
must you not formalise?
must they not formalise? 	must I not be formalising?
must you not be formalising?
must he not be formalising?
must we not be formalising?
must you not be formalising?
must they not be formalising? 	must I not have formalised?
must you not have formalised?
must he not have formalised?
must we not have formalised?
must you not have formalised?
must they not have formalised? 	must I not have been formalising?
must you not have been formalising?
must he not have been formalising?
must we not have been formalising?
must you not have been formalising?
must they not have been formalising?