could complicate
Verbo regular: complicate - complicated- complicated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could complicate
you could complicate
he could complicate
we could complicate
you could complicate
they could complicate 	I could be complicating
you could be complicating
he could be complicating
we could be complicating
you could be complicating
they could be complicating	I could have complicated
you could have complicated
he could have complicated
we could have complicated
you could have complicated
they could have complicated	I could have been complicating
you could have been complicating
he could have been complicating
we could have been complicating
you could have been complicating
they could have been complicating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't complicate
you couldn't complicate
he couldn't complicate
we couldn't complicate
you couldn't complicate
they couldn't complicate 	I couldn't be complicating
you couldn't be complicating
he couldn't be complicating
we couldn't be complicating
you couldn't be complicating
they couldn't be complicating	I couldn't have complicated
you couldn't have complicated
he couldn't have complicated
we couldn't have complicated
you couldn't have complicated
they couldn't have complicated	I couldn't have been complicating
you couldn't have been complicating
he couldn't have been complicating
we couldn't have been complicating
you couldn't have been complicating
they couldn't have been complicating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I complicate?
could you complicate?
could he complicate?
could we complicate?
could you complicate?
could they complicate? 	could I be complicating?
could you be complicating?
could he be complicating?
could we be complicating?
could you be complicating?
could they be complicating? 	could I have complicated?
could you have complicated?
could he have complicated?
could we have complicated?
could you have complicated?
could they have complicated? 	could I have been complicating?
could you have been complicating?
could he have been complicating?
could we have been complicating?
could you have been complicating?
could they have been complicating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I complicate?
couldn't you complicate?
couldn't he complicate?
couldn't we complicate?
couldn't you complicate?
couldn't they complicate? 	couldn't I be complicating?
couldn't you be complicating?
couldn't he be complicating?
couldn't we be complicating?
couldn't you be complicating?
couldn't they be complicating? 	couldn't I have complicated?
couldn't you have complicated?
couldn't he have complicated?
couldn't we have complicated?
couldn't you have complicated?
couldn't they have complicated? 	couldn't I have been complicating?
couldn't you have been complicating?
couldn't he have been complicating?
couldn't we have been complicating?
couldn't you have been complicating?
couldn't they have been complicating?