must prewarm
Verbo regular: prewarm - prewarmed- prewarmed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must prewarm
you must prewarm
he must prewarm
we must prewarm
you must prewarm
they must prewarm 	I must be prewarming
you must be prewarming
he must be prewarming
we must be prewarming
you must be prewarming
they must be prewarming	I must have prewarmed
you must have prewarmed
he must have prewarmed
we must have prewarmed
you must have prewarmed
they must have prewarmed	I must have been prewarming
you must have been prewarming
he must have been prewarming
we must have been prewarming
you must have been prewarming
they must have been prewarming	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not prewarm
you must not prewarm
he must not prewarm
we must not prewarm
you must not prewarm
they must not prewarm 	I must not be prewarming
you must not be prewarming
he must not be prewarming
we must not be prewarming
you must not be prewarming
they must not be prewarming	I must not have prewarmed
you must not have prewarmed
he must not have prewarmed
we must not have prewarmed
you must not have prewarmed
they must not have prewarmed	I must not have been prewarming
you must not have been prewarming
he must not have been prewarming
we must not have been prewarming
you must not have been prewarming
they must not have been prewarming	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I prewarm?
must you prewarm?
must he prewarm?
must we prewarm?
must you prewarm?
must they prewarm? 	must I be prewarming?
must you be prewarming?
must he be prewarming?
must we be prewarming?
must you be prewarming?
must they be prewarming? 	must I have prewarmed?
must you have prewarmed?
must he have prewarmed?
must we have prewarmed?
must you have prewarmed?
must they have prewarmed? 	must I have been prewarming?
must you have been prewarming?
must he have been prewarming?
must we have been prewarming?
must you have been prewarming?
must they have been prewarming? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not prewarm?
must you not prewarm?
must he not prewarm?
must we not prewarm?
must you not prewarm?
must they not prewarm? 	must I not be prewarming?
must you not be prewarming?
must he not be prewarming?
must we not be prewarming?
must you not be prewarming?
must they not be prewarming? 	must I not have prewarmed?
must you not have prewarmed?
must he not have prewarmed?
must we not have prewarmed?
must you not have prewarmed?
must they not have prewarmed? 	must I not have been prewarming?
must you not have been prewarming?
must he not have been prewarming?
must we not have been prewarming?
must you not have been prewarming?
must they not have been prewarming?