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