must degrease
Verbo regolare: degrease - degreased- degreased

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must degrease
you must degrease
she must degrease
we must degrease
you must degrease
they must degrease 	I must be degreasing
you must be degreasing
she must be degreasing
we must be degreasing
you must be degreasing
they must be degreasing	I must have degreased
you must have degreased
she must have degreased
we must have degreased
you must have degreased
they must have degreased	I must have been degreasing
you must have been degreasing
she must have been degreasing
we must have been degreasing
you must have been degreasing
they must have been degreasing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mustn't degrease
you mustn't degrease
she mustn't degrease
we mustn't degrease
you mustn't degrease
they mustn't degrease 	I mustn't be degreasing
you mustn't be degreasing
she mustn't be degreasing
we mustn't be degreasing
you mustn't be degreasing
they mustn't be degreasing	I mustn't have degreased
you mustn't have degreased
she mustn't have degreased
we mustn't have degreased
you mustn't have degreased
they mustn't have degreased	I mustn't have been degreasing
you mustn't have been degreasing
she mustn't have been degreasing
we mustn't have been degreasing
you mustn't have been degreasing
they mustn't have been degreasing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I degrease?
must you degrease?
must she degrease?
must we degrease?
must you degrease?
must they degrease? 	must I be degreasing?
must you be degreasing?
must she be degreasing?
must we be degreasing?
must you be degreasing?
must they be degreasing? 	must I have degreased?
must you have degreased?
must she have degreased?
must we have degreased?
must you have degreased?
must they have degreased? 	must I have been degreasing?
must you have been degreasing?
must she have been degreasing?
must we have been degreasing?
must you have been degreasing?
must they have been degreasing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mustn't I degrease?
mustn't you degrease?
mustn't she degrease?
mustn't we degrease?
mustn't you degrease?
mustn't they degrease? 	mustn't I be degreasing?
mustn't you be degreasing?
mustn't she be degreasing?
mustn't we be degreasing?
mustn't you be degreasing?
mustn't they be degreasing? 	mustn't I have degreased?
mustn't you have degreased?
mustn't she have degreased?
mustn't we have degreased?
mustn't you have degreased?
mustn't they have degreased? 	mustn't I have been degreasing?
mustn't you have been degreasing?
mustn't she have been degreasing?
mustn't we have been degreasing?
mustn't you have been degreasing?
mustn't they have been degreasing?