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