could reverse-engineer
Verbo regular: reverse-engineer - reverse-engineered- reverse-engineered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could reverse-engineer
you could reverse-engineer
he could reverse-engineer
we could reverse-engineer
you could reverse-engineer
they could reverse-engineer 	I could be reverse-engineering
you could be reverse-engineering
he could be reverse-engineering
we could be reverse-engineering
you could be reverse-engineering
they could be reverse-engineering	I could have reverse-engineered
you could have reverse-engineered
he could have reverse-engineered
we could have reverse-engineered
you could have reverse-engineered
they could have reverse-engineered	I could have been reverse-engineering
you could have been reverse-engineering
he could have been reverse-engineering
we could have been reverse-engineering
you could have been reverse-engineering
they could have been reverse-engineering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't reverse-engineer
you couldn't reverse-engineer
he couldn't reverse-engineer
we couldn't reverse-engineer
you couldn't reverse-engineer
they couldn't reverse-engineer 	I couldn't be reverse-engineering
you couldn't be reverse-engineering
he couldn't be reverse-engineering
we couldn't be reverse-engineering
you couldn't be reverse-engineering
they couldn't be reverse-engineering	I couldn't have reverse-engineered
you couldn't have reverse-engineered
he couldn't have reverse-engineered
we couldn't have reverse-engineered
you couldn't have reverse-engineered
they couldn't have reverse-engineered	I couldn't have been reverse-engineering
you couldn't have been reverse-engineering
he couldn't have been reverse-engineering
we couldn't have been reverse-engineering
you couldn't have been reverse-engineering
they couldn't have been reverse-engineering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I reverse-engineer?
could you reverse-engineer?
could he reverse-engineer?
could we reverse-engineer?
could you reverse-engineer?
could they reverse-engineer? 	could I be reverse-engineering?
could you be reverse-engineering?
could he be reverse-engineering?
could we be reverse-engineering?
could you be reverse-engineering?
could they be reverse-engineering? 	could I have reverse-engineered?
could you have reverse-engineered?
could he have reverse-engineered?
could we have reverse-engineered?
could you have reverse-engineered?
could they have reverse-engineered? 	could I have been reverse-engineering?
could you have been reverse-engineering?
could he have been reverse-engineering?
could we have been reverse-engineering?
could you have been reverse-engineering?
could they have been reverse-engineering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I reverse-engineer?
couldn't you reverse-engineer?
couldn't he reverse-engineer?
couldn't we reverse-engineer?
couldn't you reverse-engineer?
couldn't they reverse-engineer? 	couldn't I be reverse-engineering?
couldn't you be reverse-engineering?
couldn't he be reverse-engineering?
couldn't we be reverse-engineering?
couldn't you be reverse-engineering?
couldn't they be reverse-engineering? 	couldn't I have reverse-engineered?
couldn't you have reverse-engineered?
couldn't he have reverse-engineered?
couldn't we have reverse-engineered?
couldn't you have reverse-engineered?
couldn't they have reverse-engineered? 	couldn't I have been reverse-engineering?
couldn't you have been reverse-engineering?
couldn't he have been reverse-engineering?
couldn't we have been reverse-engineering?
couldn't you have been reverse-engineering?
couldn't they have been reverse-engineering?