could chill
Regular verb: chill - chilled- chilled

Affirmation 	
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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 	
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I couldn't chill
you couldn't chill
he couldn't chill
we couldn't chill
you couldn't chill
they couldn't chill 	I couldn't be chilling
you couldn't be chilling
he couldn't be chilling
we couldn't be chilling
you couldn't be chilling
they couldn't be chilling	I couldn't have chilled
you couldn't have chilled
he couldn't have chilled
we couldn't have chilled
you couldn't have chilled
they couldn't have chilled	I couldn't have been chilling
you couldn't have been chilling
he couldn't have been chilling
we couldn't have been chilling
you couldn't have been chilling
they couldn't 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 	
couldn't I chill?
couldn't you chill?
couldn't he chill?
couldn't we chill?
couldn't you chill?
couldn't they chill? 	couldn't I be chilling?
couldn't you be chilling?
couldn't he be chilling?
couldn't we be chilling?
couldn't you be chilling?
couldn't they be chilling? 	couldn't I have chilled?
couldn't you have chilled?
couldn't he have chilled?
couldn't we have chilled?
couldn't you have chilled?
couldn't they have chilled? 	couldn't I have been chilling?
couldn't you have been chilling?
couldn't he have been chilling?
couldn't we have been chilling?
couldn't you have been chilling?
couldn't they have been chilling?