must hammer
Verbo regular: hammer - hammered- hammered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must hammer
you must hammer
he must hammer
we must hammer
you must hammer
they must hammer 	I must be hammering
you must be hammering
he must be hammering
we must be hammering
you must be hammering
they must be hammering	I must have hammered
you must have hammered
he must have hammered
we must have hammered
you must have hammered
they must have hammered	I must have been hammering
you must have been hammering
he must have been hammering
we must have been hammering
you must have been hammering
they must have been hammering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not hammer
you must not hammer
he must not hammer
we must not hammer
you must not hammer
they must not hammer 	I must not be hammering
you must not be hammering
he must not be hammering
we must not be hammering
you must not be hammering
they must not be hammering	I must not have hammered
you must not have hammered
he must not have hammered
we must not have hammered
you must not have hammered
they must not have hammered	I must not have been hammering
you must not have been hammering
he must not have been hammering
we must not have been hammering
you must not have been hammering
they must not have been hammering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I hammer?
must you hammer?
must he hammer?
must we hammer?
must you hammer?
must they hammer? 	must I be hammering?
must you be hammering?
must he be hammering?
must we be hammering?
must you be hammering?
must they be hammering? 	must I have hammered?
must you have hammered?
must he have hammered?
must we have hammered?
must you have hammered?
must they have hammered? 	must I have been hammering?
must you have been hammering?
must he have been hammering?
must we have been hammering?
must you have been hammering?
must they have been hammering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not hammer?
must you not hammer?
must he not hammer?
must we not hammer?
must you not hammer?
must they not hammer? 	must I not be hammering?
must you not be hammering?
must he not be hammering?
must we not be hammering?
must you not be hammering?
must they not be hammering? 	must I not have hammered?
must you not have hammered?
must he not have hammered?
must we not have hammered?
must you not have hammered?
must they not have hammered? 	must I not have been hammering?
must you not have been hammering?
must he not have been hammering?
must we not have been hammering?
must you not have been hammering?
must they not have been hammering?