could recaution
Regular verb: recaution - recautioned- recautioned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could recaution
you could recaution
she could recaution
we could recaution
you could recaution
they could recaution 	I could be recautioning
you could be recautioning
she could be recautioning
we could be recautioning
you could be recautioning
they could be recautioning	I could have recautioned
you could have recautioned
she could have recautioned
we could have recautioned
you could have recautioned
they could have recautioned	I could have been recautioning
you could have been recautioning
she could have been recautioning
we could have been recautioning
you could have been recautioning
they could have been recautioning	

Negation 	
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I couldn't recaution
you couldn't recaution
she couldn't recaution
we couldn't recaution
you couldn't recaution
they couldn't recaution 	I couldn't be recautioning
you couldn't be recautioning
she couldn't be recautioning
we couldn't be recautioning
you couldn't be recautioning
they couldn't be recautioning	I couldn't have recautioned
you couldn't have recautioned
she couldn't have recautioned
we couldn't have recautioned
you couldn't have recautioned
they couldn't have recautioned	I couldn't have been recautioning
you couldn't have been recautioning
she couldn't have been recautioning
we couldn't have been recautioning
you couldn't have been recautioning
they couldn't have been recautioning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I recaution?
could you recaution?
could she recaution?
could we recaution?
could you recaution?
could they recaution? 	could I be recautioning?
could you be recautioning?
could she be recautioning?
could we be recautioning?
could you be recautioning?
could they be recautioning? 	could I have recautioned?
could you have recautioned?
could she have recautioned?
could we have recautioned?
could you have recautioned?
could they have recautioned? 	could I have been recautioning?
could you have been recautioning?
could she have been recautioning?
could we have been recautioning?
could you have been recautioning?
could they have been recautioning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I recaution?
couldn't you recaution?
couldn't she recaution?
couldn't we recaution?
couldn't you recaution?
couldn't they recaution? 	couldn't I be recautioning?
couldn't you be recautioning?
couldn't she be recautioning?
couldn't we be recautioning?
couldn't you be recautioning?
couldn't they be recautioning? 	couldn't I have recautioned?
couldn't you have recautioned?
couldn't she have recautioned?
couldn't we have recautioned?
couldn't you have recautioned?
couldn't they have recautioned? 	couldn't I have been recautioning?
couldn't you have been recautioning?
couldn't she have been recautioning?
couldn't we have been recautioning?
couldn't you have been recautioning?
couldn't they have been recautioning?