must downsise
Verbe régulier : downsise - downsised- downsised

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must downsise
you must downsise
she must downsise
we must downsise
you must downsise
they must downsise 	I must be downsising
you must be downsising
she must be downsising
we must be downsising
you must be downsising
they must be downsising	I must have downsised
you must have downsised
she must have downsised
we must have downsised
you must have downsised
they must have downsised	I must have been downsising
you must have been downsising
she must have been downsising
we must have been downsising
you must have been downsising
they must have been downsising	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't downsise
you mustn't downsise
she mustn't downsise
we mustn't downsise
you mustn't downsise
they mustn't downsise 	I mustn't be downsising
you mustn't be downsising
she mustn't be downsising
we mustn't be downsising
you mustn't be downsising
they mustn't be downsising	I mustn't have downsised
you mustn't have downsised
she mustn't have downsised
we mustn't have downsised
you mustn't have downsised
they mustn't have downsised	I mustn't have been downsising
you mustn't have been downsising
she mustn't have been downsising
we mustn't have been downsising
you mustn't have been downsising
they mustn't have been downsising	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I downsise?
must you downsise?
must she downsise?
must we downsise?
must you downsise?
must they downsise? 	must I be downsising?
must you be downsising?
must she be downsising?
must we be downsising?
must you be downsising?
must they be downsising? 	must I have downsised?
must you have downsised?
must she have downsised?
must we have downsised?
must you have downsised?
must they have downsised? 	must I have been downsising?
must you have been downsising?
must she have been downsising?
must we have been downsising?
must you have been downsising?
must they have been downsising? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I downsise?
mustn't you downsise?
mustn't she downsise?
mustn't we downsise?
mustn't you downsise?
mustn't they downsise? 	mustn't I be downsising?
mustn't you be downsising?
mustn't she be downsising?
mustn't we be downsising?
mustn't you be downsising?
mustn't they be downsising? 	mustn't I have downsised?
mustn't you have downsised?
mustn't she have downsised?
mustn't we have downsised?
mustn't you have downsised?
mustn't they have downsised? 	mustn't I have been downsising?
mustn't you have been downsising?
mustn't she have been downsising?
mustn't we have been downsising?
mustn't you have been downsising?
mustn't they have been downsising?