must retrace
Verbo regolare: retrace - retraced- retraced

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must retrace
you must retrace
she must retrace
we must retrace
you must retrace
they must retrace 	I must be retracing
you must be retracing
she must be retracing
we must be retracing
you must be retracing
they must be retracing	I must have retraced
you must have retraced
she must have retraced
we must have retraced
you must have retraced
they must have retraced	I must have been retracing
you must have been retracing
she must have been retracing
we must have been retracing
you must have been retracing
they must have been retracing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mustn't retrace
you mustn't retrace
she mustn't retrace
we mustn't retrace
you mustn't retrace
they mustn't retrace 	I mustn't be retracing
you mustn't be retracing
she mustn't be retracing
we mustn't be retracing
you mustn't be retracing
they mustn't be retracing	I mustn't have retraced
you mustn't have retraced
she mustn't have retraced
we mustn't have retraced
you mustn't have retraced
they mustn't have retraced	I mustn't have been retracing
you mustn't have been retracing
she mustn't have been retracing
we mustn't have been retracing
you mustn't have been retracing
they mustn't have been retracing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I retrace?
must you retrace?
must she retrace?
must we retrace?
must you retrace?
must they retrace? 	must I be retracing?
must you be retracing?
must she be retracing?
must we be retracing?
must you be retracing?
must they be retracing? 	must I have retraced?
must you have retraced?
must she have retraced?
must we have retraced?
must you have retraced?
must they have retraced? 	must I have been retracing?
must you have been retracing?
must she have been retracing?
must we have been retracing?
must you have been retracing?
must they have been retracing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mustn't I retrace?
mustn't you retrace?
mustn't she retrace?
mustn't we retrace?
mustn't you retrace?
mustn't they retrace? 	mustn't I be retracing?
mustn't you be retracing?
mustn't she be retracing?
mustn't we be retracing?
mustn't you be retracing?
mustn't they be retracing? 	mustn't I have retraced?
mustn't you have retraced?
mustn't she have retraced?
mustn't we have retraced?
mustn't you have retraced?
mustn't they have retraced? 	mustn't I have been retracing?
mustn't you have been retracing?
mustn't she have been retracing?
mustn't we have been retracing?
mustn't you have been retracing?
mustn't they have been retracing?