must prep
Verbo regolare: prep - preped- preped

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must prep
you must prep
he must prep
we must prep
you must prep
they must prep 	I must be preping
you must be preping
he must be preping
we must be preping
you must be preping
they must be preping	I must have preped
you must have preped
he must have preped
we must have preped
you must have preped
they must have preped	I must have been preping
you must have been preping
he must have been preping
we must have been preping
you must have been preping
they must have been preping	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mustn't prep
you mustn't prep
he mustn't prep
we mustn't prep
you mustn't prep
they mustn't prep 	I mustn't be preping
you mustn't be preping
he mustn't be preping
we mustn't be preping
you mustn't be preping
they mustn't be preping	I mustn't have preped
you mustn't have preped
he mustn't have preped
we mustn't have preped
you mustn't have preped
they mustn't have preped	I mustn't have been preping
you mustn't have been preping
he mustn't have been preping
we mustn't have been preping
you mustn't have been preping
they mustn't have been preping	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I prep?
must you prep?
must he prep?
must we prep?
must you prep?
must they prep? 	must I be preping?
must you be preping?
must he be preping?
must we be preping?
must you be preping?
must they be preping? 	must I have preped?
must you have preped?
must he have preped?
must we have preped?
must you have preped?
must they have preped? 	must I have been preping?
must you have been preping?
must he have been preping?
must we have been preping?
must you have been preping?
must they have been preping? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mustn't I prep?
mustn't you prep?
mustn't he prep?
mustn't we prep?
mustn't you prep?
mustn't they prep? 	mustn't I be preping?
mustn't you be preping?
mustn't he be preping?
mustn't we be preping?
mustn't you be preping?
mustn't they be preping? 	mustn't I have preped?
mustn't you have preped?
mustn't he have preped?
mustn't we have preped?
mustn't you have preped?
mustn't they have preped? 	mustn't I have been preping?
mustn't you have been preping?
mustn't he have been preping?
mustn't we have been preping?
mustn't you have been preping?
mustn't they have been preping?