could simplify
Verbo regular: simplify - simplified- simplified

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could simplify
you could simplify
he could simplify
we could simplify
you could simplify
they could simplify 	I could be simplifying
you could be simplifying
he could be simplifying
we could be simplifying
you could be simplifying
they could be simplifying	I could have simplified
you could have simplified
he could have simplified
we could have simplified
you could have simplified
they could have simplified	I could have been simplifying
you could have been simplifying
he could have been simplifying
we could have been simplifying
you could have been simplifying
they could have been simplifying	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not simplify
you could not simplify
he could not simplify
we could not simplify
you could not simplify
they could not simplify 	I could not be simplifying
you could not be simplifying
he could not be simplifying
we could not be simplifying
you could not be simplifying
they could not be simplifying	I could not have simplified
you could not have simplified
he could not have simplified
we could not have simplified
you could not have simplified
they could not have simplified	I could not have been simplifying
you could not have been simplifying
he could not have been simplifying
we could not have been simplifying
you could not have been simplifying
they could not have been simplifying	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I simplify?
could you simplify?
could he simplify?
could we simplify?
could you simplify?
could they simplify? 	could I be simplifying?
could you be simplifying?
could he be simplifying?
could we be simplifying?
could you be simplifying?
could they be simplifying? 	could I have simplified?
could you have simplified?
could he have simplified?
could we have simplified?
could you have simplified?
could they have simplified? 	could I have been simplifying?
could you have been simplifying?
could he have been simplifying?
could we have been simplifying?
could you have been simplifying?
could they have been simplifying? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not simplify?
could you not simplify?
could he not simplify?
could we not simplify?
could you not simplify?
could they not simplify? 	could I not be simplifying?
could you not be simplifying?
could he not be simplifying?
could we not be simplifying?
could you not be simplifying?
could they not be simplifying? 	could I not have simplified?
could you not have simplified?
could he not have simplified?
could we not have simplified?
could you not have simplified?
could they not have simplified? 	could I not have been simplifying?
could you not have been simplifying?
could he not have been simplifying?
could we not have been simplifying?
could you not have been simplifying?
could they not have been simplifying?