must precool
Verbe régulier : precool - precooled- precooled
Traduction française : préréfrigérer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must precool
you must precool
she must precool
we must precool
you must precool
they must precool 	I must be precooling
you must be precooling
she must be precooling
we must be precooling
you must be precooling
they must be precooling	I must have precooled
you must have precooled
she must have precooled
we must have precooled
you must have precooled
they must have precooled	I must have been precooling
you must have been precooling
she must have been precooling
we must have been precooling
you must have been precooling
they must have been precooling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not precool
you must not precool
she must not precool
we must not precool
you must not precool
they must not precool 	I must not be precooling
you must not be precooling
she must not be precooling
we must not be precooling
you must not be precooling
they must not be precooling	I must not have precooled
you must not have precooled
she must not have precooled
we must not have precooled
you must not have precooled
they must not have precooled	I must not have been precooling
you must not have been precooling
she must not have been precooling
we must not have been precooling
you must not have been precooling
they must not have been precooling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I precool?
must you precool?
must she precool?
must we precool?
must you precool?
must they precool? 	must I be precooling?
must you be precooling?
must she be precooling?
must we be precooling?
must you be precooling?
must they be precooling? 	must I have precooled?
must you have precooled?
must she have precooled?
must we have precooled?
must you have precooled?
must they have precooled? 	must I have been precooling?
must you have been precooling?
must she have been precooling?
must we have been precooling?
must you have been precooling?
must they have been precooling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not precool?
must you not precool?
must she not precool?
must we not precool?
must you not precool?
must they not precool? 	must I not be precooling?
must you not be precooling?
must she not be precooling?
must we not be precooling?
must you not be precooling?
must they not be precooling? 	must I not have precooled?
must you not have precooled?
must she not have precooled?
must we not have precooled?
must you not have precooled?
must they not have precooled? 	must I not have been precooling?
must you not have been precooling?
must she not have been precooling?
must we not have been precooling?
must you not have been precooling?
must they not have been precooling?