I ought to backcheck you ought to backcheck she ought to backcheck we ought to backcheck you ought to backcheck they ought to backcheck
V-ing form
I ought to be backchecking you ought to be backchecking she ought to be backchecking we ought to be backchecking you ought to be backchecking they ought to be backchecking
Perfect
I ought to have backchecked you ought to have backchecked she ought to have backchecked we ought to have backchecked you ought to have backchecked they ought to have backchecked
V-ing perfect
I ought to have been backchecking you ought to have been backchecking she ought to have been backchecking we ought to have been backchecking you ought to have been backchecking they ought to have been backchecking
Negation
Simple form
I ought not to backcheck you ought not to backcheck she ought not to backcheck we ought not to backcheck you ought not to backcheck they ought not to backcheck
V-ing form
I ought not to backchecking you ought not to backchecking she ought not to backchecking we ought not to backchecking you ought not to backchecking they ought not to backchecking
Perfect
I ought not to have backchecked you ought not to have backchecked she ought not to have backchecked we ought not to have backchecked you ought not to have backchecked they ought not to have backchecked
V-ing perfect
I ought not to have been backchecking you ought not to have been backchecking she ought not to have been backchecking we ought not to have been backchecking you ought not to have been backchecking they ought not to have been backchecking
Interrogative form
Simple form
ought to I backcheck? ought to you backcheck? ought to she backcheck? ought to we backcheck? ought to you backcheck? ought to they backcheck?
V-ing form
ought to I be backchecking? ought to you be backchecking? ought to she be backchecking? ought to we be backchecking? ought to you be backchecking? ought to they be backchecking?
Perfect
ought to I have backchecked? ought to you have backchecked? ought to she have backchecked? ought to we have backchecked? ought to you have backchecked? ought to they have backchecked?
V-ing perfect
ought to I have been backchecking? ought to you have been backchecking? ought to she have been backchecking? ought to we have been backchecking? ought to you have been backchecking? ought to they have been backchecking?
Interro-negative form
Simple form
ought I not to backcheck? ought you not to backcheck? ought she not to backcheck? ought we not to backcheck? ought you not to backcheck? ought they not to backcheck?
V-ing form
ought I not to be backchecking? ought you not to be backchecking? ought she not to be backchecking? ought we not to be backchecking? ought you not to be backchecking? ought they not to be backchecking?
Perfect
ought I not to have backchecked? ought you not to have backchecked? ought she not to have backchecked? ought we not to have backchecked? ought you not to have backchecked? ought they not to have backchecked?
V-ing perfect
ought I not to have been backchecking? ought you not to have been backchecking? ought she not to have been backchecking? ought we not to have been backchecking? ought you not to have been backchecking? ought they not to have been backchecking?