can precaution
Verbe régulier : precaution - precautioned- precautioned

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can precaution
you can precaution
she can precaution
we can precaution
you can precaution
they can precaution 	I can be precautioning
you can be precautioning
she can be precautioning
we can be precautioning
you can be precautioning
they can be precautioning	I can have precautioned
you can have precautioned
she can have precautioned
we can have precautioned
you can have precautioned
they can have precautioned	I can have been precautioning
you can have been precautioning
she can have been precautioning
we can have been precautioning
you can have been precautioning
they can have been precautioning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can't precaution
you can't precaution
she can't precaution
we can't precaution
you can't precaution
they can't precaution 	I can't be precautioning
you can't be precautioning
she can't be precautioning
we can't be precautioning
you can't be precautioning
they can't be precautioning	I can't have precautioned
you can't have precautioned
she can't have precautioned
we can't have precautioned
you can't have precautioned
they can't have precautioned	I can't have been precautioning
you can't have been precautioning
she can't have been precautioning
we can't have been precautioning
you can't have been precautioning
they can't have been precautioning	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I precaution?
can you precaution?
can she precaution?
can we precaution?
can you precaution?
can they precaution? 	can I be precautioning?
can you be precautioning?
can she be precautioning?
can we be precautioning?
can you be precautioning?
can they be precautioning? 	can I have precautioned?
can you have precautioned?
can she have precautioned?
can we have precautioned?
can you have precautioned?
can they have precautioned? 	can I have been precautioning?
can you have been precautioning?
can she have been precautioning?
can we have been precautioning?
can you have been precautioning?
can they have been precautioning? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can't I precaution?
can't you precaution?
can't she precaution?
can't we precaution?
can't you precaution?
can't they precaution? 	can't I be precautioning?
can't you be precautioning?
can't she be precautioning?
can't we be precautioning?
can't you be precautioning?
can't they be precautioning? 	can't I have precautioned?
can't you have precautioned?
can't she have precautioned?
can't we have precautioned?
can't you have precautioned?
can't they have precautioned? 	can't I have been precautioning?
can't you have been precautioning?
can't she have been precautioning?
can't we have been precautioning?
can't you have been precautioning?
can't they have been precautioning?