must concretise
Verbe régulier : concretise - concretised- concretised

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
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	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not concretise
you must not concretise
she must not concretise
we must not concretise
you must not concretise
they must not concretise 	I must not be concretising
you must not be concretising
she must not be concretising
we must not be concretising
you must not be concretising
they must not be concretising	I must not have concretised
you must not have concretised
she must not have concretised
we must not have concretised
you must not have concretised
they must not have concretised	I must not have been concretising
you must not have been concretising
she must not have been concretising
we must not have been concretising
you must not have been concretising
they must not have been concretising	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
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? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not concretise?
must you not concretise?
must she not concretise?
must we not concretise?
must you not concretise?
must they not concretise? 	must I not be concretising?
must you not be concretising?
must she not be concretising?
must we not be concretising?
must you not be concretising?
must they not be concretising? 	must I not have concretised?
must you not have concretised?
must she not have concretised?
must we not have concretised?
must you not have concretised?
must they not have concretised? 	must I not have been concretising?
must you not have been concretising?
must she not have been concretising?
must we not have been concretising?
must you not have been concretising?
must they not have been concretising?