I ought to sketch you ought to sketch she ought to sketch we ought to sketch you ought to sketch they ought to sketch
V-ing form
I ought to be sketching you ought to be sketching she ought to be sketching we ought to be sketching you ought to be sketching they ought to be sketching
Perfect
I ought to have sketched you ought to have sketched she ought to have sketched we ought to have sketched you ought to have sketched they ought to have sketched
V-ing perfect
I ought to have been sketching you ought to have been sketching she ought to have been sketching we ought to have been sketching you ought to have been sketching they ought to have been sketching
Negation
Simple form
I ought not to sketch you ought not to sketch she ought not to sketch we ought not to sketch you ought not to sketch they ought not to sketch
V-ing form
I ought not to sketching you ought not to sketching she ought not to sketching we ought not to sketching you ought not to sketching they ought not to sketching
Perfect
I ought not to have sketched you ought not to have sketched she ought not to have sketched we ought not to have sketched you ought not to have sketched they ought not to have sketched
V-ing perfect
I ought not to have been sketching you ought not to have been sketching she ought not to have been sketching we ought not to have been sketching you ought not to have been sketching they ought not to have been sketching
Interrogative form
Simple form
ought to I sketch? ought to you sketch? ought to she sketch? ought to we sketch? ought to you sketch? ought to they sketch?
V-ing form
ought to I be sketching? ought to you be sketching? ought to she be sketching? ought to we be sketching? ought to you be sketching? ought to they be sketching?
Perfect
ought to I have sketched? ought to you have sketched? ought to she have sketched? ought to we have sketched? ought to you have sketched? ought to they have sketched?
V-ing perfect
ought to I have been sketching? ought to you have been sketching? ought to she have been sketching? ought to we have been sketching? ought to you have been sketching? ought to they have been sketching?
Interro-negative form
Simple form
ought I not to sketch? ought you not to sketch? ought she not to sketch? ought we not to sketch? ought you not to sketch? ought they not to sketch?
V-ing form
ought I not to be sketching? ought you not to be sketching? ought she not to be sketching? ought we not to be sketching? ought you not to be sketching? ought they not to be sketching?
Perfect
ought I not to have sketched? ought you not to have sketched? ought she not to have sketched? ought we not to have sketched? ought you not to have sketched? ought they not to have sketched?
V-ing perfect
ought I not to have been sketching? ought you not to have been sketching? ought she not to have been sketching? ought we not to have been sketching? ought you not to have been sketching? ought they not to have been sketching?