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 oughtn't to howl you oughtn't to howl she oughtn't to howl we oughtn't to howl you oughtn't to howl they oughtn't to howl
V-ing form
I oughtn't to be howling you oughtn't to be howling she oughtn't to be howling we oughtn't to be howling you oughtn't to be howling they oughtn't to be howling
Perfect
I oughtn't to have howled you oughtn't to have howled she oughtn't to have howled we oughtn't to have howled you oughtn't to have howled they oughtn't to have howled
V-ing perfect
I oughtn't to have been howling you oughtn't to have been howling she oughtn't to have been howling we oughtn't to have been howling you oughtn't to have been howling they oughtn't 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
oughtn't I to howl? oughtn't you to howl? oughtn't she to howl? oughtn't we to howl? oughtn't you to howl? oughtn't they to howl?
V-ing form
oughtn't I to be howling? oughtn't you to be howling? oughtn't she to be howling? oughtn't we to be howling? oughtn't you to be howling? oughtn't they to be howling?
Perfect
oughtn't I to have howled? oughtn't you to have howled? oughtn't she to have howled? oughtn't we to have howled? oughtn't you to have howled? oughtn't they to have howled?
V-ing perfect
oughtn't I to have been howling? oughtn't you to have been howling? oughtn't she to have been howling? oughtn't we to have been howling? oughtn't you to have been howling? oughtn't they to have been howling?