English verb conjugation
OUGHT TO BUCKLE

Regular verb: buckle - buckled - buckled

Affirmation

Simple form	V-ing form
I ought to buckle you ought to buckle she ought to buckle we ought to buckle you ought to buckle they ought to buckle	I ought to be buckling you ought to be buckling she ought to be buckling we ought to be buckling you ought to be buckling they ought to be buckling
Perfect	V-ing perfect
I ought to have buckled you ought to have buckled she ought to have buckled we ought to have buckled you ought to have buckled they ought to have buckled	I ought to have been buckling you ought to have been buckling she ought to have been buckling we ought to have been buckling you ought to have been buckling they ought to have been buckling

Negation

Simple form	V-ing form
I oughtn't to buckle you oughtn't to buckle she oughtn't to buckle we oughtn't to buckle you oughtn't to buckle they oughtn't to buckle	I oughtn't to be buckling you oughtn't to be buckling she oughtn't to be buckling we oughtn't to be buckling you oughtn't to be buckling they oughtn't to be buckling
Perfect	V-ing perfect
I oughtn't to have buckled you oughtn't to have buckled she oughtn't to have buckled we oughtn't to have buckled you oughtn't to have buckled they oughtn't to have buckled	I oughtn't to have been buckling you oughtn't to have been buckling she oughtn't to have been buckling we oughtn't to have been buckling you oughtn't to have been buckling they oughtn't to have been buckling

Interrogative form

Simple form	V-ing form
ought to I buckle? ought to you buckle? ought to she buckle? ought to we buckle? ought to you buckle? ought to they buckle?	ought to I be buckling? ought to you be buckling? ought to she be buckling? ought to we be buckling? ought to you be buckling? ought to they be buckling?
Perfect	V-ing perfect
ought to I have buckled? ought to you have buckled? ought to she have buckled? ought to we have buckled? ought to you have buckled? ought to they have buckled?	ought to I have been buckling? ought to you have been buckling? ought to she have been buckling? ought to we have been buckling? ought to you have been buckling? ought to they have been buckling?

Interro-negative form

Simple form	V-ing form
oughtn't I to buckle? oughtn't you to buckle? oughtn't she to buckle? oughtn't we to buckle? oughtn't you to buckle? oughtn't they to buckle?	oughtn't I to be buckling? oughtn't you to be buckling? oughtn't she to be buckling? oughtn't we to be buckling? oughtn't you to be buckling? oughtn't they to be buckling?
Perfect	V-ing perfect
oughtn't I to have buckled? oughtn't you to have buckled? oughtn't she to have buckled? oughtn't we to have buckled? oughtn't you to have buckled? oughtn't they to have buckled?	oughtn't I to have been buckling? oughtn't you to have been buckling? oughtn't she to have been buckling? oughtn't we to have been buckling? oughtn't you to have been buckling? oughtn't they to have been buckling?