could prechill
Regular verb: prechill - prechilled- prechilled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could prechill
you could prechill
she could prechill
we could prechill
you could prechill
they could prechill 	I could be prechilling
you could be prechilling
she could be prechilling
we could be prechilling
you could be prechilling
they could be prechilling	I could have prechilled
you could have prechilled
she could have prechilled
we could have prechilled
you could have prechilled
they could have prechilled	I could have been prechilling
you could have been prechilling
she could have been prechilling
we could have been prechilling
you could have been prechilling
they could have been prechilling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't prechill
you couldn't prechill
she couldn't prechill
we couldn't prechill
you couldn't prechill
they couldn't prechill 	I couldn't be prechilling
you couldn't be prechilling
she couldn't be prechilling
we couldn't be prechilling
you couldn't be prechilling
they couldn't be prechilling	I couldn't have prechilled
you couldn't have prechilled
she couldn't have prechilled
we couldn't have prechilled
you couldn't have prechilled
they couldn't have prechilled	I couldn't have been prechilling
you couldn't have been prechilling
she couldn't have been prechilling
we couldn't have been prechilling
you couldn't have been prechilling
they couldn't have been prechilling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I prechill?
could you prechill?
could she prechill?
could we prechill?
could you prechill?
could they prechill? 	could I be prechilling?
could you be prechilling?
could she be prechilling?
could we be prechilling?
could you be prechilling?
could they be prechilling? 	could I have prechilled?
could you have prechilled?
could she have prechilled?
could we have prechilled?
could you have prechilled?
could they have prechilled? 	could I have been prechilling?
could you have been prechilling?
could she have been prechilling?
could we have been prechilling?
could you have been prechilling?
could they have been prechilling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I prechill?
couldn't you prechill?
couldn't she prechill?
couldn't we prechill?
couldn't you prechill?
couldn't they prechill? 	couldn't I be prechilling?
couldn't you be prechilling?
couldn't she be prechilling?
couldn't we be prechilling?
couldn't you be prechilling?
couldn't they be prechilling? 	couldn't I have prechilled?
couldn't you have prechilled?
couldn't she have prechilled?
couldn't we have prechilled?
couldn't you have prechilled?
couldn't they have prechilled? 	couldn't I have been prechilling?
couldn't you have been prechilling?
couldn't she have been prechilling?
couldn't we have been prechilling?
couldn't you have been prechilling?
couldn't they have been prechilling?