ought to buckle
Regular verb: buckle - buckled- buckled

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