I ought to singularise you ought to singularise she ought to singularise we ought to singularise you ought to singularise they ought to singularise
V-ing form
I ought to be singularising you ought to be singularising she ought to be singularising we ought to be singularising you ought to be singularising they ought to be singularising
Perfect
I ought to have singularised you ought to have singularised she ought to have singularised we ought to have singularised you ought to have singularised they ought to have singularised
V-ing perfect
I ought to have been singularising you ought to have been singularising she ought to have been singularising we ought to have been singularising you ought to have been singularising they ought to have been singularising
Negation
Simple form
I oughtn't to singularise you oughtn't to singularise she oughtn't to singularise we oughtn't to singularise you oughtn't to singularise they oughtn't to singularise
V-ing form
I oughtn't to be singularising you oughtn't to be singularising she oughtn't to be singularising we oughtn't to be singularising you oughtn't to be singularising they oughtn't to be singularising
Perfect
I oughtn't to have singularised you oughtn't to have singularised she oughtn't to have singularised we oughtn't to have singularised you oughtn't to have singularised they oughtn't to have singularised
V-ing perfect
I oughtn't to have been singularising you oughtn't to have been singularising she oughtn't to have been singularising we oughtn't to have been singularising you oughtn't to have been singularising they oughtn't to have been singularising
Interrogative form
Simple form
ought to I singularise? ought to you singularise? ought to she singularise? ought to we singularise? ought to you singularise? ought to they singularise?
V-ing form
ought to I be singularising? ought to you be singularising? ought to she be singularising? ought to we be singularising? ought to you be singularising? ought to they be singularising?
Perfect
ought to I have singularised? ought to you have singularised? ought to she have singularised? ought to we have singularised? ought to you have singularised? ought to they have singularised?
V-ing perfect
ought to I have been singularising? ought to you have been singularising? ought to she have been singularising? ought to we have been singularising? ought to you have been singularising? ought to they have been singularising?
Interro-negative form
Simple form
oughtn't I to singularise? oughtn't you to singularise? oughtn't she to singularise? oughtn't we to singularise? oughtn't you to singularise? oughtn't they to singularise?
V-ing form
oughtn't I to be singularising? oughtn't you to be singularising? oughtn't she to be singularising? oughtn't we to be singularising? oughtn't you to be singularising? oughtn't they to be singularising?
Perfect
oughtn't I to have singularised? oughtn't you to have singularised? oughtn't she to have singularised? oughtn't we to have singularised? oughtn't you to have singularised? oughtn't they to have singularised?
V-ing perfect
oughtn't I to have been singularising? oughtn't you to have been singularising? oughtn't she to have been singularising? oughtn't we to have been singularising? oughtn't you to have been singularising? oughtn't they to have been singularising?