must prebuild
Verbo irregolare: prebuild - prebuilt- prebuilt

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must prebuild
you must prebuild
he must prebuild
we must prebuild
you must prebuild
they must prebuild 	I must be prebuilding
you must be prebuilding
he must be prebuilding
we must be prebuilding
you must be prebuilding
they must be prebuilding	I must have prebuilt
you must have prebuilt
he must have prebuilt
we must have prebuilt
you must have prebuilt
they must have prebuilt	I must have been prebuilding
you must have been prebuilding
he must have been prebuilding
we must have been prebuilding
you must have been prebuilding
they must have been prebuilding	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not prebuild
you must not prebuild
he must not prebuild
we must not prebuild
you must not prebuild
they must not prebuild 	I must not be prebuilding
you must not be prebuilding
he must not be prebuilding
we must not be prebuilding
you must not be prebuilding
they must not be prebuilding	I must not have prebuilt
you must not have prebuilt
he must not have prebuilt
we must not have prebuilt
you must not have prebuilt
they must not have prebuilt	I must not have been prebuilding
you must not have been prebuilding
he must not have been prebuilding
we must not have been prebuilding
you must not have been prebuilding
they must not have been prebuilding	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I prebuild?
must you prebuild?
must he prebuild?
must we prebuild?
must you prebuild?
must they prebuild? 	must I be prebuilding?
must you be prebuilding?
must he be prebuilding?
must we be prebuilding?
must you be prebuilding?
must they be prebuilding? 	must I have prebuilt?
must you have prebuilt?
must he have prebuilt?
must we have prebuilt?
must you have prebuilt?
must they have prebuilt? 	must I have been prebuilding?
must you have been prebuilding?
must he have been prebuilding?
must we have been prebuilding?
must you have been prebuilding?
must they have been prebuilding? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not prebuild?
must you not prebuild?
must he not prebuild?
must we not prebuild?
must you not prebuild?
must they not prebuild? 	must I not be prebuilding?
must you not be prebuilding?
must he not be prebuilding?
must we not be prebuilding?
must you not be prebuilding?
must they not be prebuilding? 	must I not have prebuilt?
must you not have prebuilt?
must he not have prebuilt?
must we not have prebuilt?
must you not have prebuilt?
must they not have prebuilt? 	must I not have been prebuilding?
must you not have been prebuilding?
must he not have been prebuilding?
must we not have been prebuilding?
must you not have been prebuilding?
must they not have been prebuilding?