I ought to improvise you ought to improvise she ought to improvise we ought to improvise you ought to improvise they ought to improvise
V-ing form
I ought to be improvising you ought to be improvising she ought to be improvising we ought to be improvising you ought to be improvising they ought to be improvising
Perfect
I ought to have improvised you ought to have improvised she ought to have improvised we ought to have improvised you ought to have improvised they ought to have improvised
V-ing perfect
I ought to have been improvising you ought to have been improvising she ought to have been improvising we ought to have been improvising you ought to have been improvising they ought to have been improvising
Negation
Simple form
I ought not to improvise you ought not to improvise she ought not to improvise we ought not to improvise you ought not to improvise they ought not to improvise
V-ing form
I ought not to improvising you ought not to improvising she ought not to improvising we ought not to improvising you ought not to improvising they ought not to improvising
Perfect
I ought not to have improvised you ought not to have improvised she ought not to have improvised we ought not to have improvised you ought not to have improvised they ought not to have improvised
V-ing perfect
I ought not to have been improvising you ought not to have been improvising she ought not to have been improvising we ought not to have been improvising you ought not to have been improvising they ought not to have been improvising
Interrogative form
Simple form
ought to I improvise? ought to you improvise? ought to she improvise? ought to we improvise? ought to you improvise? ought to they improvise?
V-ing form
ought to I be improvising? ought to you be improvising? ought to she be improvising? ought to we be improvising? ought to you be improvising? ought to they be improvising?
Perfect
ought to I have improvised? ought to you have improvised? ought to she have improvised? ought to we have improvised? ought to you have improvised? ought to they have improvised?
V-ing perfect
ought to I have been improvising? ought to you have been improvising? ought to she have been improvising? ought to we have been improvising? ought to you have been improvising? ought to they have been improvising?
Interro-negative form
Simple form
ought I not to improvise? ought you not to improvise? ought she not to improvise? ought we not to improvise? ought you not to improvise? ought they not to improvise?
V-ing form
ought I not to be improvising? ought you not to be improvising? ought she not to be improvising? ought we not to be improvising? ought you not to be improvising? ought they not to be improvising?
Perfect
ought I not to have improvised? ought you not to have improvised? ought she not to have improvised? ought we not to have improvised? ought you not to have improvised? ought they not to have improvised?
V-ing perfect
ought I not to have been improvising? ought you not to have been improvising? ought she not to have been improvising? ought we not to have been improvising? ought you not to have been improvising? ought they not to have been improvising?