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
she 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
she 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
she 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
she 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 ought not to stall
you ought not to stall
she ought not to stall
we ought not to stall
you ought not to stall
they ought not to stall 	I ought not to stalling
you ought not to stalling
she ought not to stalling
we ought not to stalling
you ought not to stalling
they ought not to stalling	I ought not to have stalled
you ought not to have stalled
she ought not to have stalled
we ought not to have stalled
you ought not to have stalled
they ought not to have stalled	I ought not to have been stalling
you ought not to have been stalling
she ought not to have been stalling
we ought not to have been stalling
you ought not to have been stalling
they ought not 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 she 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 she 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 she 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 she 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 	
ought I not to stall?
ought you not to stall?
ought she not to stall?
ought we not to stall?
ought you not to stall?
ought they not to stall? 	ought I not to be stalling?
ought you not to be stalling?
ought she not to be stalling?
ought we not to be stalling?
ought you not to be stalling?
ought they not to be stalling? 	ought I not to have stalled?
ought you not to have stalled?
ought she not to have stalled?
ought we not to have stalled?
ought you not to have stalled?
ought they not to have stalled? 	ought I not to have been stalling?
ought you not to have been stalling?
ought she not to have been stalling?
ought we not to have been stalling?
ought you not to have been stalling?
ought they not to have been stalling?