must singularise
Verbe régulier : singularise - singularised- singularised

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must singularise
you must singularise
she must singularise
we must singularise
you must singularise
they must singularise 	I must be singularising
you must be singularising
she must be singularising
we must be singularising
you must be singularising
they must be singularising	I must have singularised
you must have singularised
she must have singularised
we must have singularised
you must have singularised
they must have singularised	I must have been singularising
you must have been singularising
she must have been singularising
we must have been singularising
you must have been singularising
they must have been singularising	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't singularise
you mustn't singularise
she mustn't singularise
we mustn't singularise
you mustn't singularise
they mustn't singularise 	I mustn't be singularising
you mustn't be singularising
she mustn't be singularising
we mustn't be singularising
you mustn't be singularising
they mustn't be singularising	I mustn't have singularised
you mustn't have singularised
she mustn't have singularised
we mustn't have singularised
you mustn't have singularised
they mustn't have singularised	I mustn't have been singularising
you mustn't have been singularising
she mustn't have been singularising
we mustn't have been singularising
you mustn't have been singularising
they mustn't have been singularising	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I singularise?
must you singularise?
must she singularise?
must we singularise?
must you singularise?
must they singularise? 	must I be singularising?
must you be singularising?
must she be singularising?
must we be singularising?
must you be singularising?
must they be singularising? 	must I have singularised?
must you have singularised?
must she have singularised?
must we have singularised?
must you have singularised?
must they have singularised? 	must I have been singularising?
must you have been singularising?
must she have been singularising?
must we have been singularising?
must you have been singularising?
must they have been singularising? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I singularise?
mustn't you singularise?
mustn't she singularise?
mustn't we singularise?
mustn't you singularise?
mustn't they singularise? 	mustn't I be singularising?
mustn't you be singularising?
mustn't she be singularising?
mustn't we be singularising?
mustn't you be singularising?
mustn't they be singularising? 	mustn't I have singularised?
mustn't you have singularised?
mustn't she have singularised?
mustn't we have singularised?
mustn't you have singularised?
mustn't they have singularised? 	mustn't I have been singularising?
mustn't you have been singularising?
mustn't she have been singularising?
mustn't we have been singularising?
mustn't you have been singularising?
mustn't they have been singularising?