should stall
Regular verb: stall - stalled- stalled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should stall
you should stall
she should stall
we should stall
you should stall
they should stall 	I should be stalling
you should be stalling
she should be stalling
we should be stalling
you should be stalling
they should be stalling	I should have stalled
you should have stalled
she should have stalled
we should have stalled
you should have stalled
they should have stalled	I should have been stalling
you should have been stalling
she should have been stalling
we should have been stalling
you should have been stalling
they should have been stalling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not stall
you should not stall
she should not stall
we should not stall
you should not stall
they should not stall 	I should not be stalling
you should not be stalling
she should not be stalling
we should not be stalling
you should not be stalling
they should not be stalling	I should not have stalled
you should not have stalled
she should not have stalled
we should not have stalled
you should not have stalled
they should not have stalled	I should not have been stalling
you should not have been stalling
she should not have been stalling
we should not have been stalling
you should not have been stalling
they should not have been stalling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I stall?
should you stall?
should she stall?
should we stall?
should you stall?
should they stall? 	should I be stalling?
should you be stalling?
should she be stalling?
should we be stalling?
should you be stalling?
should they be stalling? 	should I have stalled?
should you have stalled?
should she have stalled?
should we have stalled?
should you have stalled?
should they have stalled? 	should I have been stalling?
should you have been stalling?
should she have been stalling?
should we have been stalling?
should you have been stalling?
should they have been stalling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not stall?
should you not stall?
should she not stall?
should we not stall?
should you not stall?
should they not stall? 	should I not be stalling?
should you not be stalling?
should she not be stalling?
should we not be stalling?
should you not be stalling?
should they not be stalling? 	should I not have stalled?
should you not have stalled?
should she not have stalled?
should we not have stalled?
should you not have stalled?
should they not have stalled? 	should I not have been stalling?
should you not have been stalling?
should she not have been stalling?
should we not have been stalling?
should you not have been stalling?
should they not have been stalling?