must dicker
Verbo regular: dicker - dickered- dickered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must dicker
you must dicker
she must dicker
we must dicker
you must dicker
they must dicker 	I must be dickering
you must be dickering
she must be dickering
we must be dickering
you must be dickering
they must be dickering	I must have dickered
you must have dickered
she must have dickered
we must have dickered
you must have dickered
they must have dickered	I must have been dickering
you must have been dickering
she must have been dickering
we must have been dickering
you must have been dickering
they must have been dickering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not dicker
you must not dicker
she must not dicker
we must not dicker
you must not dicker
they must not dicker 	I must not be dickering
you must not be dickering
she must not be dickering
we must not be dickering
you must not be dickering
they must not be dickering	I must not have dickered
you must not have dickered
she must not have dickered
we must not have dickered
you must not have dickered
they must not have dickered	I must not have been dickering
you must not have been dickering
she must not have been dickering
we must not have been dickering
you must not have been dickering
they must not have been dickering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I dicker?
must you dicker?
must she dicker?
must we dicker?
must you dicker?
must they dicker? 	must I be dickering?
must you be dickering?
must she be dickering?
must we be dickering?
must you be dickering?
must they be dickering? 	must I have dickered?
must you have dickered?
must she have dickered?
must we have dickered?
must you have dickered?
must they have dickered? 	must I have been dickering?
must you have been dickering?
must she have been dickering?
must we have been dickering?
must you have been dickering?
must they have been dickering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not dicker?
must you not dicker?
must she not dicker?
must we not dicker?
must you not dicker?
must they not dicker? 	must I not be dickering?
must you not be dickering?
must she not be dickering?
must we not be dickering?
must you not be dickering?
must they not be dickering? 	must I not have dickered?
must you not have dickered?
must she not have dickered?
must we not have dickered?
must you not have dickered?
must they not have dickered? 	must I not have been dickering?
must you not have been dickering?
must she not have been dickering?
must we not have been dickering?
must you not have been dickering?
must they not have been dickering?