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