could precool
Regular verb: precool - precooled- precooled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could precool
you could precool
she could precool
we could precool
you could precool
they could precool 	I could be precooling
you could be precooling
she could be precooling
we could be precooling
you could be precooling
they could be precooling	I could have precooled
you could have precooled
she could have precooled
we could have precooled
you could have precooled
they could have precooled	I could have been precooling
you could have been precooling
she could have been precooling
we could have been precooling
you could have been precooling
they could have been precooling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't precool
you couldn't precool
she couldn't precool
we couldn't precool
you couldn't precool
they couldn't precool 	I couldn't be precooling
you couldn't be precooling
she couldn't be precooling
we couldn't be precooling
you couldn't be precooling
they couldn't be precooling	I couldn't have precooled
you couldn't have precooled
she couldn't have precooled
we couldn't have precooled
you couldn't have precooled
they couldn't have precooled	I couldn't have been precooling
you couldn't have been precooling
she couldn't have been precooling
we couldn't have been precooling
you couldn't have been precooling
they couldn't have been precooling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I precool?
could you precool?
could she precool?
could we precool?
could you precool?
could they precool? 	could I be precooling?
could you be precooling?
could she be precooling?
could we be precooling?
could you be precooling?
could they be precooling? 	could I have precooled?
could you have precooled?
could she have precooled?
could we have precooled?
could you have precooled?
could they have precooled? 	could I have been precooling?
could you have been precooling?
could she have been precooling?
could we have been precooling?
could you have been precooling?
could they have been precooling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I precool?
couldn't you precool?
couldn't she precool?
couldn't we precool?
couldn't you precool?
couldn't they precool? 	couldn't I be precooling?
couldn't you be precooling?
couldn't she be precooling?
couldn't we be precooling?
couldn't you be precooling?
couldn't they be precooling? 	couldn't I have precooled?
couldn't you have precooled?
couldn't she have precooled?
couldn't we have precooled?
couldn't you have precooled?
couldn't they have precooled? 	couldn't I have been precooling?
couldn't you have been precooling?
couldn't she have been precooling?
couldn't we have been precooling?
couldn't you have been precooling?
couldn't they have been precooling?