ought to forefend
Verbe régulier : forefend - forefended- forefended

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought to forefend
you ought to forefend
she ought to forefend
we ought to forefend
you ought to forefend
they ought to forefend 	I ought to be forefending
you ought to be forefending
she ought to be forefending
we ought to be forefending
you ought to be forefending
they ought to be forefending	I ought to have forefended
you ought to have forefended
she ought to have forefended
we ought to have forefended
you ought to have forefended
they ought to have forefended	I ought to have been forefending
you ought to have been forefending
she ought to have been forefending
we ought to have been forefending
you ought to have been forefending
they ought to have been forefending	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought not to forefend
you ought not to forefend
she ought not to forefend
we ought not to forefend
you ought not to forefend
they ought not to forefend 	I ought not to forefending
you ought not to forefending
she ought not to forefending
we ought not to forefending
you ought not to forefending
they ought not to forefending	I ought not to have forefended
you ought not to have forefended
she ought not to have forefended
we ought not to have forefended
you ought not to have forefended
they ought not to have forefended	I ought not to have been forefending
you ought not to have been forefending
she ought not to have been forefending
we ought not to have been forefending
you ought not to have been forefending
they ought not to have been forefending	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought to I forefend?
ought to you forefend?
ought to she forefend?
ought to we forefend?
ought to you forefend?
ought to they forefend? 	ought to I be forefending?
ought to you be forefending?
ought to she be forefending?
ought to we be forefending?
ought to you be forefending?
ought to they be forefending? 	ought to I have forefended?
ought to you have forefended?
ought to she have forefended?
ought to we have forefended?
ought to you have forefended?
ought to they have forefended? 	ought to I have been forefending?
ought to you have been forefending?
ought to she have been forefending?
ought to we have been forefending?
ought to you have been forefending?
ought to they have been forefending? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought I not to forefend?
ought you not to forefend?
ought she not to forefend?
ought we not to forefend?
ought you not to forefend?
ought they not to forefend? 	ought I not to be forefending?
ought you not to be forefending?
ought she not to be forefending?
ought we not to be forefending?
ought you not to be forefending?
ought they not to be forefending? 	ought I not to have forefended?
ought you not to have forefended?
ought she not to have forefended?
ought we not to have forefended?
ought you not to have forefended?
ought they not to have forefended? 	ought I not to have been forefending?
ought you not to have been forefending?
ought she not to have been forefending?
ought we not to have been forefending?
ought you not to have been forefending?
ought they not to have been forefending?