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