must thresh
Verbo regular: thresh - threshed- threshed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must thresh
you must thresh
he must thresh
we must thresh
you must thresh
they must thresh 	I must be threshing
you must be threshing
he must be threshing
we must be threshing
you must be threshing
they must be threshing	I must have threshed
you must have threshed
he must have threshed
we must have threshed
you must have threshed
they must have threshed	I must have been threshing
you must have been threshing
he must have been threshing
we must have been threshing
you must have been threshing
they must have been threshing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not thresh
you must not thresh
he must not thresh
we must not thresh
you must not thresh
they must not thresh 	I must not be threshing
you must not be threshing
he must not be threshing
we must not be threshing
you must not be threshing
they must not be threshing	I must not have threshed
you must not have threshed
he must not have threshed
we must not have threshed
you must not have threshed
they must not have threshed	I must not have been threshing
you must not have been threshing
he must not have been threshing
we must not have been threshing
you must not have been threshing
they must not have been threshing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I thresh?
must you thresh?
must he thresh?
must we thresh?
must you thresh?
must they thresh? 	must I be threshing?
must you be threshing?
must he be threshing?
must we be threshing?
must you be threshing?
must they be threshing? 	must I have threshed?
must you have threshed?
must he have threshed?
must we have threshed?
must you have threshed?
must they have threshed? 	must I have been threshing?
must you have been threshing?
must he have been threshing?
must we have been threshing?
must you have been threshing?
must they have been threshing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not thresh?
must you not thresh?
must he not thresh?
must we not thresh?
must you not thresh?
must they not thresh? 	must I not be threshing?
must you not be threshing?
must he not be threshing?
must we not be threshing?
must you not be threshing?
must they not be threshing? 	must I not have threshed?
must you not have threshed?
must he not have threshed?
must we not have threshed?
must you not have threshed?
must they not have threshed? 	must I not have been threshing?
must you not have been threshing?
must he not have been threshing?
must we not have been threshing?
must you not have been threshing?
must they not have been threshing?