must harmonise
Regular verb: harmonise - harmonised- harmonised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must harmonise
you must harmonise
she must harmonise
we must harmonise
you must harmonise
they must harmonise 	I must be harmonising
you must be harmonising
she must be harmonising
we must be harmonising
you must be harmonising
they must be harmonising	I must have harmonised
you must have harmonised
she must have harmonised
we must have harmonised
you must have harmonised
they must have harmonised	I must have been harmonising
you must have been harmonising
she must have been harmonising
we must have been harmonising
you must have been harmonising
they must have been harmonising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not harmonise
you must not harmonise
she must not harmonise
we must not harmonise
you must not harmonise
they must not harmonise 	I must not be harmonising
you must not be harmonising
she must not be harmonising
we must not be harmonising
you must not be harmonising
they must not be harmonising	I must not have harmonised
you must not have harmonised
she must not have harmonised
we must not have harmonised
you must not have harmonised
they must not have harmonised	I must not have been harmonising
you must not have been harmonising
she must not have been harmonising
we must not have been harmonising
you must not have been harmonising
they must not have been harmonising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I harmonise?
must you harmonise?
must she harmonise?
must we harmonise?
must you harmonise?
must they harmonise? 	must I be harmonising?
must you be harmonising?
must she be harmonising?
must we be harmonising?
must you be harmonising?
must they be harmonising? 	must I have harmonised?
must you have harmonised?
must she have harmonised?
must we have harmonised?
must you have harmonised?
must they have harmonised? 	must I have been harmonising?
must you have been harmonising?
must she have been harmonising?
must we have been harmonising?
must you have been harmonising?
must they have been harmonising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not harmonise?
must you not harmonise?
must she not harmonise?
must we not harmonise?
must you not harmonise?
must they not harmonise? 	must I not be harmonising?
must you not be harmonising?
must she not be harmonising?
must we not be harmonising?
must you not be harmonising?
must they not be harmonising? 	must I not have harmonised?
must you not have harmonised?
must she not have harmonised?
must we not have harmonised?
must you not have harmonised?
must they not have harmonised? 	must I not have been harmonising?
must you not have been harmonising?
must she not have been harmonising?
must we not have been harmonising?
must you not have been harmonising?
must they not have been harmonising?