I ought to light you ought to light she ought to light we ought to light you ought to light they ought to light
V-ing form
I ought to be lighting you ought to be lighting she ought to be lighting we ought to be lighting you ought to be lighting they ought to be lighting
Perfect
I ought to have lit you ought to have lit she ought to have lit we ought to have lit you ought to have lit they ought to have lit
V-ing perfect
I ought to have been lighting you ought to have been lighting she ought to have been lighting we ought to have been lighting you ought to have been lighting they ought to have been lighting
Negation
Simple form
I ought not to light you ought not to light she ought not to light we ought not to light you ought not to light they ought not to light
V-ing form
I ought not to lighting you ought not to lighting she ought not to lighting we ought not to lighting you ought not to lighting they ought not to lighting
Perfect
I ought not to have lit you ought not to have lit she ought not to have lit we ought not to have lit you ought not to have lit they ought not to have lit
V-ing perfect
I ought not to have been lighting you ought not to have been lighting she ought not to have been lighting we ought not to have been lighting you ought not to have been lighting they ought not to have been lighting
Interrogative form
Simple form
ought to I light? ought to you light? ought to she light? ought to we light? ought to you light? ought to they light?
V-ing form
ought to I be lighting? ought to you be lighting? ought to she be lighting? ought to we be lighting? ought to you be lighting? ought to they be lighting?
Perfect
ought to I have lit? ought to you have lit? ought to she have lit? ought to we have lit? ought to you have lit? ought to they have lit?
V-ing perfect
ought to I have been lighting? ought to you have been lighting? ought to she have been lighting? ought to we have been lighting? ought to you have been lighting? ought to they have been lighting?
Interro-negative form
Simple form
ought I not to light? ought you not to light? ought she not to light? ought we not to light? ought you not to light? ought they not to light?
V-ing form
ought I not to be lighting? ought you not to be lighting? ought she not to be lighting? ought we not to be lighting? ought you not to be lighting? ought they not to be lighting?
Perfect
ought I not to have lit? ought you not to have lit? ought she not to have lit? ought we not to have lit? ought you not to have lit? ought they not to have lit?
V-ing perfect
ought I not to have been lighting? ought you not to have been lighting? ought she not to have been lighting? ought we not to have been lighting? ought you not to have been lighting? ought they not to have been lighting?