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