I ought to curd you ought to curd he ought to curd we ought to curd you ought to curd they ought to curd
V-ing form
I ought to be curding you ought to be curding he ought to be curding we ought to be curding you ought to be curding they ought to be curding
Perfect
I ought to have curded you ought to have curded he ought to have curded we ought to have curded you ought to have curded they ought to have curded
V-ing perfect
I ought to have been curding you ought to have been curding he ought to have been curding we ought to have been curding you ought to have been curding they ought to have been curding
Negation
Simple form
I oughtn't to curd you oughtn't to curd he oughtn't to curd we oughtn't to curd you oughtn't to curd they oughtn't to curd
V-ing form
I oughtn't to be curding you oughtn't to be curding he oughtn't to be curding we oughtn't to be curding you oughtn't to be curding they oughtn't to be curding
Perfect
I oughtn't to have curded you oughtn't to have curded he oughtn't to have curded we oughtn't to have curded you oughtn't to have curded they oughtn't to have curded
V-ing perfect
I oughtn't to have been curding you oughtn't to have been curding he oughtn't to have been curding we oughtn't to have been curding you oughtn't to have been curding they oughtn't to have been curding
Interrogative form
Simple form
ought to I curd? ought to you curd? ought to he curd? ought to we curd? ought to you curd? ought to they curd?
V-ing form
ought to I be curding? ought to you be curding? ought to he be curding? ought to we be curding? ought to you be curding? ought to they be curding?
Perfect
ought to I have curded? ought to you have curded? ought to he have curded? ought to we have curded? ought to you have curded? ought to they have curded?
V-ing perfect
ought to I have been curding? ought to you have been curding? ought to he have been curding? ought to we have been curding? ought to you have been curding? ought to they have been curding?
Interro-negative form
Simple form
oughtn't I to curd? oughtn't you to curd? oughtn't he to curd? oughtn't we to curd? oughtn't you to curd? oughtn't they to curd?
V-ing form
oughtn't I to be curding? oughtn't you to be curding? oughtn't he to be curding? oughtn't we to be curding? oughtn't you to be curding? oughtn't they to be curding?
Perfect
oughtn't I to have curded? oughtn't you to have curded? oughtn't he to have curded? oughtn't we to have curded? oughtn't you to have curded? oughtn't they to have curded?
V-ing perfect
oughtn't I to have been curding? oughtn't you to have been curding? oughtn't he to have been curding? oughtn't we to have been curding? oughtn't you to have been curding? oughtn't they to have been curding?