must muck
Verbo regolare: muck - mucked- mucked

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must muck
you must muck
she must muck
we must muck
you must muck
they must muck 	I must be mucking
you must be mucking
she must be mucking
we must be mucking
you must be mucking
they must be mucking	I must have mucked
you must have mucked
she must have mucked
we must have mucked
you must have mucked
they must have mucked	I must have been mucking
you must have been mucking
she must have been mucking
we must have been mucking
you must have been mucking
they must have been mucking	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not muck
you must not muck
she must not muck
we must not muck
you must not muck
they must not muck 	I must not be mucking
you must not be mucking
she must not be mucking
we must not be mucking
you must not be mucking
they must not be mucking	I must not have mucked
you must not have mucked
she must not have mucked
we must not have mucked
you must not have mucked
they must not have mucked	I must not have been mucking
you must not have been mucking
she must not have been mucking
we must not have been mucking
you must not have been mucking
they must not have been mucking	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I muck?
must you muck?
must she muck?
must we muck?
must you muck?
must they muck? 	must I be mucking?
must you be mucking?
must she be mucking?
must we be mucking?
must you be mucking?
must they be mucking? 	must I have mucked?
must you have mucked?
must she have mucked?
must we have mucked?
must you have mucked?
must they have mucked? 	must I have been mucking?
must you have been mucking?
must she have been mucking?
must we have been mucking?
must you have been mucking?
must they have been mucking? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not muck?
must you not muck?
must she not muck?
must we not muck?
must you not muck?
must they not muck? 	must I not be mucking?
must you not be mucking?
must she not be mucking?
must we not be mucking?
must you not be mucking?
must they not be mucking? 	must I not have mucked?
must you not have mucked?
must she not have mucked?
must we not have mucked?
must you not have mucked?
must they not have mucked? 	must I not have been mucking?
must you not have been mucking?
must she not have been mucking?
must we not have been mucking?
must you not have been mucking?
must they not have been mucking?