must prewash
Verbo regular: prewash - prewashed- prewashed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must prewash
you must prewash
he must prewash
we must prewash
you must prewash
they must prewash 	I must be prewashing
you must be prewashing
he must be prewashing
we must be prewashing
you must be prewashing
they must be prewashing	I must have prewashed
you must have prewashed
he must have prewashed
we must have prewashed
you must have prewashed
they must have prewashed	I must have been prewashing
you must have been prewashing
he must have been prewashing
we must have been prewashing
you must have been prewashing
they must have been prewashing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't prewash
you mustn't prewash
he mustn't prewash
we mustn't prewash
you mustn't prewash
they mustn't prewash 	I mustn't be prewashing
you mustn't be prewashing
he mustn't be prewashing
we mustn't be prewashing
you mustn't be prewashing
they mustn't be prewashing	I mustn't have prewashed
you mustn't have prewashed
he mustn't have prewashed
we mustn't have prewashed
you mustn't have prewashed
they mustn't have prewashed	I mustn't have been prewashing
you mustn't have been prewashing
he mustn't have been prewashing
we mustn't have been prewashing
you mustn't have been prewashing
they mustn't have been prewashing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I prewash?
must you prewash?
must he prewash?
must we prewash?
must you prewash?
must they prewash? 	must I be prewashing?
must you be prewashing?
must he be prewashing?
must we be prewashing?
must you be prewashing?
must they be prewashing? 	must I have prewashed?
must you have prewashed?
must he have prewashed?
must we have prewashed?
must you have prewashed?
must they have prewashed? 	must I have been prewashing?
must you have been prewashing?
must he have been prewashing?
must we have been prewashing?
must you have been prewashing?
must they have been prewashing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I prewash?
mustn't you prewash?
mustn't he prewash?
mustn't we prewash?
mustn't you prewash?
mustn't they prewash? 	mustn't I be prewashing?
mustn't you be prewashing?
mustn't he be prewashing?
mustn't we be prewashing?
mustn't you be prewashing?
mustn't they be prewashing? 	mustn't I have prewashed?
mustn't you have prewashed?
mustn't he have prewashed?
mustn't we have prewashed?
mustn't you have prewashed?
mustn't they have prewashed? 	mustn't I have been prewashing?
mustn't you have been prewashing?
mustn't he have been prewashing?
mustn't we have been prewashing?
mustn't you have been prewashing?
mustn't they have been prewashing?