could mystify
Verbo regular: mystify - mystified- mystified

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could mystify
you could mystify
he could mystify
we could mystify
you could mystify
they could mystify 	I could be mystifying
you could be mystifying
he could be mystifying
we could be mystifying
you could be mystifying
they could be mystifying	I could have mystified
you could have mystified
he could have mystified
we could have mystified
you could have mystified
they could have mystified	I could have been mystifying
you could have been mystifying
he could have been mystifying
we could have been mystifying
you could have been mystifying
they could have been mystifying	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not mystify
you could not mystify
he could not mystify
we could not mystify
you could not mystify
they could not mystify 	I could not be mystifying
you could not be mystifying
he could not be mystifying
we could not be mystifying
you could not be mystifying
they could not be mystifying	I could not have mystified
you could not have mystified
he could not have mystified
we could not have mystified
you could not have mystified
they could not have mystified	I could not have been mystifying
you could not have been mystifying
he could not have been mystifying
we could not have been mystifying
you could not have been mystifying
they could not have been mystifying	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I mystify?
could you mystify?
could he mystify?
could we mystify?
could you mystify?
could they mystify? 	could I be mystifying?
could you be mystifying?
could he be mystifying?
could we be mystifying?
could you be mystifying?
could they be mystifying? 	could I have mystified?
could you have mystified?
could he have mystified?
could we have mystified?
could you have mystified?
could they have mystified? 	could I have been mystifying?
could you have been mystifying?
could he have been mystifying?
could we have been mystifying?
could you have been mystifying?
could they have been mystifying? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not mystify?
could you not mystify?
could he not mystify?
could we not mystify?
could you not mystify?
could they not mystify? 	could I not be mystifying?
could you not be mystifying?
could he not be mystifying?
could we not be mystifying?
could you not be mystifying?
could they not be mystifying? 	could I not have mystified?
could you not have mystified?
could he not have mystified?
could we not have mystified?
could you not have mystified?
could they not have mystified? 	could I not have been mystifying?
could you not have been mystifying?
could he not have been mystifying?
could we not have been mystifying?
could you not have been mystifying?
could they not have been mystifying?