ought to backcross
Verbe régulier : backcross - backcrossed- backcrossed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought to backcross
you ought to backcross
she ought to backcross
we ought to backcross
you ought to backcross
they ought to backcross 	I ought to be backcrossing
you ought to be backcrossing
she ought to be backcrossing
we ought to be backcrossing
you ought to be backcrossing
they ought to be backcrossing	I ought to have backcrossed
you ought to have backcrossed
she ought to have backcrossed
we ought to have backcrossed
you ought to have backcrossed
they ought to have backcrossed	I ought to have been backcrossing
you ought to have been backcrossing
she ought to have been backcrossing
we ought to have been backcrossing
you ought to have been backcrossing
they ought to have been backcrossing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I oughtn't to backcross
you oughtn't to backcross
she oughtn't to backcross
we oughtn't to backcross
you oughtn't to backcross
they oughtn't to backcross 	I oughtn't to be backcrossing
you oughtn't to be backcrossing
she oughtn't to be backcrossing
we oughtn't to be backcrossing
you oughtn't to be backcrossing
they oughtn't to be backcrossing	I oughtn't to have backcrossed
you oughtn't to have backcrossed
she oughtn't to have backcrossed
we oughtn't to have backcrossed
you oughtn't to have backcrossed
they oughtn't to have backcrossed	I oughtn't to have been backcrossing
you oughtn't to have been backcrossing
she oughtn't to have been backcrossing
we oughtn't to have been backcrossing
you oughtn't to have been backcrossing
they oughtn't to have been backcrossing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought to I backcross?
ought to you backcross?
ought to she backcross?
ought to we backcross?
ought to you backcross?
ought to they backcross? 	ought to I be backcrossing?
ought to you be backcrossing?
ought to she be backcrossing?
ought to we be backcrossing?
ought to you be backcrossing?
ought to they be backcrossing? 	ought to I have backcrossed?
ought to you have backcrossed?
ought to she have backcrossed?
ought to we have backcrossed?
ought to you have backcrossed?
ought to they have backcrossed? 	ought to I have been backcrossing?
ought to you have been backcrossing?
ought to she have been backcrossing?
ought to we have been backcrossing?
ought to you have been backcrossing?
ought to they have been backcrossing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
oughtn't I to backcross?
oughtn't you to backcross?
oughtn't she to backcross?
oughtn't we to backcross?
oughtn't you to backcross?
oughtn't they to backcross? 	oughtn't I to be backcrossing?
oughtn't you to be backcrossing?
oughtn't she to be backcrossing?
oughtn't we to be backcrossing?
oughtn't you to be backcrossing?
oughtn't they to be backcrossing? 	oughtn't I to have backcrossed?
oughtn't you to have backcrossed?
oughtn't she to have backcrossed?
oughtn't we to have backcrossed?
oughtn't you to have backcrossed?
oughtn't they to have backcrossed? 	oughtn't I to have been backcrossing?
oughtn't you to have been backcrossing?
oughtn't she to have been backcrossing?
oughtn't we to have been backcrossing?
oughtn't you to have been backcrossing?
oughtn't they to have been backcrossing?