must overwork
Verbo regular: overwork - overworked- overworked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must overwork
you must overwork
she must overwork
we must overwork
you must overwork
they must overwork 	I must be overworking
you must be overworking
she must be overworking
we must be overworking
you must be overworking
they must be overworking	I must have overworked
you must have overworked
she must have overworked
we must have overworked
you must have overworked
they must have overworked	I must have been overworking
you must have been overworking
she must have been overworking
we must have been overworking
you must have been overworking
they must have been overworking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not overwork
you must not overwork
she must not overwork
we must not overwork
you must not overwork
they must not overwork 	I must not be overworking
you must not be overworking
she must not be overworking
we must not be overworking
you must not be overworking
they must not be overworking	I must not have overworked
you must not have overworked
she must not have overworked
we must not have overworked
you must not have overworked
they must not have overworked	I must not have been overworking
you must not have been overworking
she must not have been overworking
we must not have been overworking
you must not have been overworking
they must not have been overworking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I overwork?
must you overwork?
must she overwork?
must we overwork?
must you overwork?
must they overwork? 	must I be overworking?
must you be overworking?
must she be overworking?
must we be overworking?
must you be overworking?
must they be overworking? 	must I have overworked?
must you have overworked?
must she have overworked?
must we have overworked?
must you have overworked?
must they have overworked? 	must I have been overworking?
must you have been overworking?
must she have been overworking?
must we have been overworking?
must you have been overworking?
must they have been overworking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not overwork?
must you not overwork?
must she not overwork?
must we not overwork?
must you not overwork?
must they not overwork? 	must I not be overworking?
must you not be overworking?
must she not be overworking?
must we not be overworking?
must you not be overworking?
must they not be overworking? 	must I not have overworked?
must you not have overworked?
must she not have overworked?
must we not have overworked?
must you not have overworked?
must they not have overworked? 	must I not have been overworking?
must you not have been overworking?
must she not have been overworking?
must we not have been overworking?
must you not have been overworking?
must they not have been overworking?