must deterge
Verbo regular: deterge - deterged- deterged

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must deterge
you must deterge
she must deterge
we must deterge
you must deterge
they must deterge 	I must be deterging
you must be deterging
she must be deterging
we must be deterging
you must be deterging
they must be deterging	I must have deterged
you must have deterged
she must have deterged
we must have deterged
you must have deterged
they must have deterged	I must have been deterging
you must have been deterging
she must have been deterging
we must have been deterging
you must have been deterging
they must have been deterging	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not deterge
you must not deterge
she must not deterge
we must not deterge
you must not deterge
they must not deterge 	I must not be deterging
you must not be deterging
she must not be deterging
we must not be deterging
you must not be deterging
they must not be deterging	I must not have deterged
you must not have deterged
she must not have deterged
we must not have deterged
you must not have deterged
they must not have deterged	I must not have been deterging
you must not have been deterging
she must not have been deterging
we must not have been deterging
you must not have been deterging
they must not have been deterging	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I deterge?
must you deterge?
must she deterge?
must we deterge?
must you deterge?
must they deterge? 	must I be deterging?
must you be deterging?
must she be deterging?
must we be deterging?
must you be deterging?
must they be deterging? 	must I have deterged?
must you have deterged?
must she have deterged?
must we have deterged?
must you have deterged?
must they have deterged? 	must I have been deterging?
must you have been deterging?
must she have been deterging?
must we have been deterging?
must you have been deterging?
must they have been deterging? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not deterge?
must you not deterge?
must she not deterge?
must we not deterge?
must you not deterge?
must they not deterge? 	must I not be deterging?
must you not be deterging?
must she not be deterging?
must we not be deterging?
must you not be deterging?
must they not be deterging? 	must I not have deterged?
must you not have deterged?
must she not have deterged?
must we not have deterged?
must you not have deterged?
must they not have deterged? 	must I not have been deterging?
must you not have been deterging?
must she not have been deterging?
must we not have been deterging?
must you not have been deterging?
must they not have been deterging?