could infest
Verbo regular: infest - infested- infested

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could infest
you could infest
he could infest
we could infest
you could infest
they could infest 	I could be infesting
you could be infesting
he could be infesting
we could be infesting
you could be infesting
they could be infesting	I could have infested
you could have infested
he could have infested
we could have infested
you could have infested
they could have infested	I could have been infesting
you could have been infesting
he could have been infesting
we could have been infesting
you could have been infesting
they could have been infesting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't infest
you couldn't infest
he couldn't infest
we couldn't infest
you couldn't infest
they couldn't infest 	I couldn't be infesting
you couldn't be infesting
he couldn't be infesting
we couldn't be infesting
you couldn't be infesting
they couldn't be infesting	I couldn't have infested
you couldn't have infested
he couldn't have infested
we couldn't have infested
you couldn't have infested
they couldn't have infested	I couldn't have been infesting
you couldn't have been infesting
he couldn't have been infesting
we couldn't have been infesting
you couldn't have been infesting
they couldn't have been infesting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I infest?
could you infest?
could he infest?
could we infest?
could you infest?
could they infest? 	could I be infesting?
could you be infesting?
could he be infesting?
could we be infesting?
could you be infesting?
could they be infesting? 	could I have infested?
could you have infested?
could he have infested?
could we have infested?
could you have infested?
could they have infested? 	could I have been infesting?
could you have been infesting?
could he have been infesting?
could we have been infesting?
could you have been infesting?
could they have been infesting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I infest?
couldn't you infest?
couldn't he infest?
couldn't we infest?
couldn't you infest?
couldn't they infest? 	couldn't I be infesting?
couldn't you be infesting?
couldn't he be infesting?
couldn't we be infesting?
couldn't you be infesting?
couldn't they be infesting? 	couldn't I have infested?
couldn't you have infested?
couldn't he have infested?
couldn't we have infested?
couldn't you have infested?
couldn't they have infested? 	couldn't I have been infesting?
couldn't you have been infesting?
couldn't he have been infesting?
couldn't we have been infesting?
couldn't you have been infesting?
couldn't they have been infesting?