I ought to infest you ought to infest she ought to infest we ought to infest you ought to infest they ought to infest
V-ing form
I ought to be infesting you ought to be infesting she ought to be infesting we ought to be infesting you ought to be infesting they ought to be infesting
Perfect
I ought to have infested you ought to have infested she ought to have infested we ought to have infested you ought to have infested they ought to have infested
V-ing perfect
I ought to have been infesting you ought to have been infesting she ought to have been infesting we ought to have been infesting you ought to have been infesting they ought to have been infesting
Negation
Simple form
I ought not to infest you ought not to infest she ought not to infest we ought not to infest you ought not to infest they ought not to infest
V-ing form
I ought not to infesting you ought not to infesting she ought not to infesting we ought not to infesting you ought not to infesting they ought not to infesting
Perfect
I ought not to have infested you ought not to have infested she ought not to have infested we ought not to have infested you ought not to have infested they ought not to have infested
V-ing perfect
I ought not to have been infesting you ought not to have been infesting she ought not to have been infesting we ought not to have been infesting you ought not to have been infesting they ought not to have been infesting
Interrogative form
Simple form
ought to I infest? ought to you infest? ought to she infest? ought to we infest? ought to you infest? ought to they infest?
V-ing form
ought to I be infesting? ought to you be infesting? ought to she be infesting? ought to we be infesting? ought to you be infesting? ought to they be infesting?
Perfect
ought to I have infested? ought to you have infested? ought to she have infested? ought to we have infested? ought to you have infested? ought to they have infested?
V-ing perfect
ought to I have been infesting? ought to you have been infesting? ought to she have been infesting? ought to we have been infesting? ought to you have been infesting? ought to they have been infesting?
Interro-negative form
Simple form
ought I not to infest? ought you not to infest? ought she not to infest? ought we not to infest? ought you not to infest? ought they not to infest?
V-ing form
ought I not to be infesting? ought you not to be infesting? ought she not to be infesting? ought we not to be infesting? ought you not to be infesting? ought they not to be infesting?
Perfect
ought I not to have infested? ought you not to have infested? ought she not to have infested? ought we not to have infested? ought you not to have infested? ought they not to have infested?
V-ing perfect
ought I not to have been infesting? ought you not to have been infesting? ought she not to have been infesting? ought we not to have been infesting? ought you not to have been infesting? ought they not to have been infesting?