ought to cavern
Verbe régulier : cavern - caverned- caverned

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought to cavern
you ought to cavern
she ought to cavern
we ought to cavern
you ought to cavern
they ought to cavern 	I ought to be caverning
you ought to be caverning
she ought to be caverning
we ought to be caverning
you ought to be caverning
they ought to be caverning	I ought to have caverned
you ought to have caverned
she ought to have caverned
we ought to have caverned
you ought to have caverned
they ought to have caverned	I ought to have been caverning
you ought to have been caverning
she ought to have been caverning
we ought to have been caverning
you ought to have been caverning
they ought to have been caverning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I oughtn't to cavern
you oughtn't to cavern
she oughtn't to cavern
we oughtn't to cavern
you oughtn't to cavern
they oughtn't to cavern 	I oughtn't to be caverning
you oughtn't to be caverning
she oughtn't to be caverning
we oughtn't to be caverning
you oughtn't to be caverning
they oughtn't to be caverning	I oughtn't to have caverned
you oughtn't to have caverned
she oughtn't to have caverned
we oughtn't to have caverned
you oughtn't to have caverned
they oughtn't to have caverned	I oughtn't to have been caverning
you oughtn't to have been caverning
she oughtn't to have been caverning
we oughtn't to have been caverning
you oughtn't to have been caverning
they oughtn't to have been caverning	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought to I cavern?
ought to you cavern?
ought to she cavern?
ought to we cavern?
ought to you cavern?
ought to they cavern? 	ought to I be caverning?
ought to you be caverning?
ought to she be caverning?
ought to we be caverning?
ought to you be caverning?
ought to they be caverning? 	ought to I have caverned?
ought to you have caverned?
ought to she have caverned?
ought to we have caverned?
ought to you have caverned?
ought to they have caverned? 	ought to I have been caverning?
ought to you have been caverning?
ought to she have been caverning?
ought to we have been caverning?
ought to you have been caverning?
ought to they have been caverning? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
oughtn't I to cavern?
oughtn't you to cavern?
oughtn't she to cavern?
oughtn't we to cavern?
oughtn't you to cavern?
oughtn't they to cavern? 	oughtn't I to be caverning?
oughtn't you to be caverning?
oughtn't she to be caverning?
oughtn't we to be caverning?
oughtn't you to be caverning?
oughtn't they to be caverning? 	oughtn't I to have caverned?
oughtn't you to have caverned?
oughtn't she to have caverned?
oughtn't we to have caverned?
oughtn't you to have caverned?
oughtn't they to have caverned? 	oughtn't I to have been caverning?
oughtn't you to have been caverning?
oughtn't she to have been caverning?
oughtn't we to have been caverning?
oughtn't you to have been caverning?
oughtn't they to have been caverning?