could precool
Verbo regular: precool - precooled- precooled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could precool
you could precool
he could precool
we could precool
you could precool
they could precool 	I could be precooling
you could be precooling
he could be precooling
we could be precooling
you could be precooling
they could be precooling	I could have precooled
you could have precooled
he 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
he could have been precooling
we could have been precooling
you could have been precooling
they could have been precooling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not precool
you could not precool
he could not precool
we could not precool
you could not precool
they could not precool 	I could not be precooling
you could not be precooling
he could not be precooling
we could not be precooling
you could not be precooling
they could not be precooling	I could not have precooled
you could not have precooled
he could not have precooled
we could not have precooled
you could not have precooled
they could not have precooled	I could not have been precooling
you could not have been precooling
he could not have been precooling
we could not have been precooling
you could not have been precooling
they could not have been precooling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I precool?
could you precool?
could he precool?
could we precool?
could you precool?
could they precool? 	could I be precooling?
could you be precooling?
could he be precooling?
could we be precooling?
could you be precooling?
could they be precooling? 	could I have precooled?
could you have precooled?
could he 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 he have been precooling?
could we have been precooling?
could you have been precooling?
could they have been precooling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not precool?
could you not precool?
could he not precool?
could we not precool?
could you not precool?
could they not precool? 	could I not be precooling?
could you not be precooling?
could he not be precooling?
could we not be precooling?
could you not be precooling?
could they not be precooling? 	could I not have precooled?
could you not have precooled?
could he not have precooled?
could we not have precooled?
could you not have precooled?
could they not have precooled? 	could I not have been precooling?
could you not have been precooling?
could he not have been precooling?
could we not have been precooling?
could you not have been precooling?
could they not have been precooling?