ought to backfit
Irregular verb: backfit - backfit, backfitted- backfit, backfitted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to backfit
you ought to backfit
she ought to backfit
we ought to backfit
you ought to backfit
they ought to backfit 	I ought to be backfiting
you ought to be backfiting
she ought to be backfiting
we ought to be backfiting
you ought to be backfiting
they ought to be backfiting	I ought to have backfit, backfitted
you ought to have backfit, backfitted
she ought to have backfit, backfitted
we ought to have backfit, backfitted
you ought to have backfit, backfitted
they ought to have backfit, backfitted	I ought to have been backfiting
you ought to have been backfiting
she ought to have been backfiting
we ought to have been backfiting
you ought to have been backfiting
they ought to have been backfiting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to backfit
you ought not to backfit
she ought not to backfit
we ought not to backfit
you ought not to backfit
they ought not to backfit 	I ought not to backfiting
you ought not to backfiting
she ought not to backfiting
we ought not to backfiting
you ought not to backfiting
they ought not to backfiting	I ought not to have backfit, backfitted
you ought not to have backfit, backfitted
she ought not to have backfit, backfitted
we ought not to have backfit, backfitted
you ought not to have backfit, backfitted
they ought not to have backfit, backfitted	I ought not to have been backfiting
you ought not to have been backfiting
she ought not to have been backfiting
we ought not to have been backfiting
you ought not to have been backfiting
they ought not to have been backfiting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I backfit?
ought to you backfit?
ought to she backfit?
ought to we backfit?
ought to you backfit?
ought to they backfit? 	ought to I be backfiting?
ought to you be backfiting?
ought to she be backfiting?
ought to we be backfiting?
ought to you be backfiting?
ought to they be backfiting? 	ought to I have backfit, backfitted?
ought to you have backfit, backfitted?
ought to she have backfit, backfitted?
ought to we have backfit, backfitted?
ought to you have backfit, backfitted?
ought to they have backfit, backfitted? 	ought to I have been backfiting?
ought to you have been backfiting?
ought to she have been backfiting?
ought to we have been backfiting?
ought to you have been backfiting?
ought to they have been backfiting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to backfit?
ought you not to backfit?
ought she not to backfit?
ought we not to backfit?
ought you not to backfit?
ought they not to backfit? 	ought I not to be backfiting?
ought you not to be backfiting?
ought she not to be backfiting?
ought we not to be backfiting?
ought you not to be backfiting?
ought they not to be backfiting? 	ought I not to have backfit, backfitted?
ought you not to have backfit, backfitted?
ought she not to have backfit, backfitted?
ought we not to have backfit, backfitted?
ought you not to have backfit, backfitted?
ought they not to have backfit, backfitted? 	ought I not to have been backfiting?
ought you not to have been backfiting?
ought she not to have been backfiting?
ought we not to have been backfiting?
ought you not to have been backfiting?
ought they not to have been backfiting?