could chill
Regular verb: chill - chilled- chilled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could chill
you could chill
he could chill
we could chill
you could chill
they could chill 	I could be chilling
you could be chilling
he could be chilling
we could be chilling
you could be chilling
they could be chilling	I could have chilled
you could have chilled
he could have chilled
we could have chilled
you could have chilled
they could have chilled	I could have been chilling
you could have been chilling
he could have been chilling
we could have been chilling
you could have been chilling
they could have been chilling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not chill
you could not chill
he could not chill
we could not chill
you could not chill
they could not chill 	I could not be chilling
you could not be chilling
he could not be chilling
we could not be chilling
you could not be chilling
they could not be chilling	I could not have chilled
you could not have chilled
he could not have chilled
we could not have chilled
you could not have chilled
they could not have chilled	I could not have been chilling
you could not have been chilling
he could not have been chilling
we could not have been chilling
you could not have been chilling
they could not have been chilling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I chill?
could you chill?
could he chill?
could we chill?
could you chill?
could they chill? 	could I be chilling?
could you be chilling?
could he be chilling?
could we be chilling?
could you be chilling?
could they be chilling? 	could I have chilled?
could you have chilled?
could he have chilled?
could we have chilled?
could you have chilled?
could they have chilled? 	could I have been chilling?
could you have been chilling?
could he have been chilling?
could we have been chilling?
could you have been chilling?
could they have been chilling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not chill?
could you not chill?
could he not chill?
could we not chill?
could you not chill?
could they not chill? 	could I not be chilling?
could you not be chilling?
could he not be chilling?
could we not be chilling?
could you not be chilling?
could they not be chilling? 	could I not have chilled?
could you not have chilled?
could he not have chilled?
could we not have chilled?
could you not have chilled?
could they not have chilled? 	could I not have been chilling?
could you not have been chilling?
could he not have been chilling?
could we not have been chilling?
could you not have been chilling?
could they not have been chilling?