must leather
Verbo regular: leather - leathered- leathered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must leather
you must leather
he must leather
we must leather
you must leather
they must leather 	I must be leathering
you must be leathering
he must be leathering
we must be leathering
you must be leathering
they must be leathering	I must have leathered
you must have leathered
he must have leathered
we must have leathered
you must have leathered
they must have leathered	I must have been leathering
you must have been leathering
he must have been leathering
we must have been leathering
you must have been leathering
they must have been leathering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not leather
you must not leather
he must not leather
we must not leather
you must not leather
they must not leather 	I must not be leathering
you must not be leathering
he must not be leathering
we must not be leathering
you must not be leathering
they must not be leathering	I must not have leathered
you must not have leathered
he must not have leathered
we must not have leathered
you must not have leathered
they must not have leathered	I must not have been leathering
you must not have been leathering
he must not have been leathering
we must not have been leathering
you must not have been leathering
they must not have been leathering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I leather?
must you leather?
must he leather?
must we leather?
must you leather?
must they leather? 	must I be leathering?
must you be leathering?
must he be leathering?
must we be leathering?
must you be leathering?
must they be leathering? 	must I have leathered?
must you have leathered?
must he have leathered?
must we have leathered?
must you have leathered?
must they have leathered? 	must I have been leathering?
must you have been leathering?
must he have been leathering?
must we have been leathering?
must you have been leathering?
must they have been leathering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not leather?
must you not leather?
must he not leather?
must we not leather?
must you not leather?
must they not leather? 	must I not be leathering?
must you not be leathering?
must he not be leathering?
must we not be leathering?
must you not be leathering?
must they not be leathering? 	must I not have leathered?
must you not have leathered?
must he not have leathered?
must we not have leathered?
must you not have leathered?
must they not have leathered? 	must I not have been leathering?
must you not have been leathering?
must he not have been leathering?
must we not have been leathering?
must you not have been leathering?
must they not have been leathering?