must concretise
Regular verb: concretise - concretised- concretised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must concretise
you must concretise
she must concretise
we must concretise
you must concretise
they must concretise 	I must be concretising
you must be concretising
she must be concretising
we must be concretising
you must be concretising
they must be concretising	I must have concretised
you must have concretised
she must have concretised
we must have concretised
you must have concretised
they must have concretised	I must have been concretising
you must have been concretising
she must have been concretising
we must have been concretising
you must have been concretising
they must have been concretising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't concretise
you mustn't concretise
she mustn't concretise
we mustn't concretise
you mustn't concretise
they mustn't concretise 	I mustn't be concretising
you mustn't be concretising
she mustn't be concretising
we mustn't be concretising
you mustn't be concretising
they mustn't be concretising	I mustn't have concretised
you mustn't have concretised
she mustn't have concretised
we mustn't have concretised
you mustn't have concretised
they mustn't have concretised	I mustn't have been concretising
you mustn't have been concretising
she mustn't have been concretising
we mustn't have been concretising
you mustn't have been concretising
they mustn't have been concretising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I concretise?
must you concretise?
must she concretise?
must we concretise?
must you concretise?
must they concretise? 	must I be concretising?
must you be concretising?
must she be concretising?
must we be concretising?
must you be concretising?
must they be concretising? 	must I have concretised?
must you have concretised?
must she have concretised?
must we have concretised?
must you have concretised?
must they have concretised? 	must I have been concretising?
must you have been concretising?
must she have been concretising?
must we have been concretising?
must you have been concretising?
must they have been concretising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I concretise?
mustn't you concretise?
mustn't she concretise?
mustn't we concretise?
mustn't you concretise?
mustn't they concretise? 	mustn't I be concretising?
mustn't you be concretising?
mustn't she be concretising?
mustn't we be concretising?
mustn't you be concretising?
mustn't they be concretising? 	mustn't I have concretised?
mustn't you have concretised?
mustn't she have concretised?
mustn't we have concretised?
mustn't you have concretised?
mustn't they have concretised? 	mustn't I have been concretising?
mustn't you have been concretising?
mustn't she have been concretising?
mustn't we have been concretising?
mustn't you have been concretising?
mustn't they have been concretising?