ought to stall
Regular verb: stall - stalled- stalled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to stall
you ought to stall
he ought to stall
we ought to stall
you ought to stall
they ought to stall 	I ought to be stalling
you ought to be stalling
he ought to be stalling
we ought to be stalling
you ought to be stalling
they ought to be stalling	I ought to have stalled
you ought to have stalled
he ought to have stalled
we ought to have stalled
you ought to have stalled
they ought to have stalled	I ought to have been stalling
you ought to have been stalling
he ought to have been stalling
we ought to have been stalling
you ought to have been stalling
they ought to have been stalling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to stall
you oughtn't to stall
he oughtn't to stall
we oughtn't to stall
you oughtn't to stall
they oughtn't to stall 	I oughtn't to be stalling
you oughtn't to be stalling
he oughtn't to be stalling
we oughtn't to be stalling
you oughtn't to be stalling
they oughtn't to be stalling	I oughtn't to have stalled
you oughtn't to have stalled
he oughtn't to have stalled
we oughtn't to have stalled
you oughtn't to have stalled
they oughtn't to have stalled	I oughtn't to have been stalling
you oughtn't to have been stalling
he oughtn't to have been stalling
we oughtn't to have been stalling
you oughtn't to have been stalling
they oughtn't to have been stalling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I stall?
ought to you stall?
ought to he stall?
ought to we stall?
ought to you stall?
ought to they stall? 	ought to I be stalling?
ought to you be stalling?
ought to he be stalling?
ought to we be stalling?
ought to you be stalling?
ought to they be stalling? 	ought to I have stalled?
ought to you have stalled?
ought to he have stalled?
ought to we have stalled?
ought to you have stalled?
ought to they have stalled? 	ought to I have been stalling?
ought to you have been stalling?
ought to he have been stalling?
ought to we have been stalling?
ought to you have been stalling?
ought to they have been stalling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to stall?
oughtn't you to stall?
oughtn't he to stall?
oughtn't we to stall?
oughtn't you to stall?
oughtn't they to stall? 	oughtn't I to be stalling?
oughtn't you to be stalling?
oughtn't he to be stalling?
oughtn't we to be stalling?
oughtn't you to be stalling?
oughtn't they to be stalling? 	oughtn't I to have stalled?
oughtn't you to have stalled?
oughtn't he to have stalled?
oughtn't we to have stalled?
oughtn't you to have stalled?
oughtn't they to have stalled? 	oughtn't I to have been stalling?
oughtn't you to have been stalling?
oughtn't he to have been stalling?
oughtn't we to have been stalling?
oughtn't you to have been stalling?
oughtn't they to have been stalling?