should spall
Regular verb: spall - spalled- spalled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should spall
you should spall
he should spall
we should spall
you should spall
they should spall 	I should be spalling
you should be spalling
he should be spalling
we should be spalling
you should be spalling
they should be spalling	I should have spalled
you should have spalled
he should have spalled
we should have spalled
you should have spalled
they should have spalled	I should have been spalling
you should have been spalling
he should have been spalling
we should have been spalling
you should have been spalling
they should have been spalling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not spall
you should not spall
he should not spall
we should not spall
you should not spall
they should not spall 	I should not be spalling
you should not be spalling
he should not be spalling
we should not be spalling
you should not be spalling
they should not be spalling	I should not have spalled
you should not have spalled
he should not have spalled
we should not have spalled
you should not have spalled
they should not have spalled	I should not have been spalling
you should not have been spalling
he should not have been spalling
we should not have been spalling
you should not have been spalling
they should not have been spalling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I spall?
should you spall?
should he spall?
should we spall?
should you spall?
should they spall? 	should I be spalling?
should you be spalling?
should he be spalling?
should we be spalling?
should you be spalling?
should they be spalling? 	should I have spalled?
should you have spalled?
should he have spalled?
should we have spalled?
should you have spalled?
should they have spalled? 	should I have been spalling?
should you have been spalling?
should he have been spalling?
should we have been spalling?
should you have been spalling?
should they have been spalling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not spall?
should you not spall?
should he not spall?
should we not spall?
should you not spall?
should they not spall? 	should I not be spalling?
should you not be spalling?
should he not be spalling?
should we not be spalling?
should you not be spalling?
should they not be spalling? 	should I not have spalled?
should you not have spalled?
should he not have spalled?
should we not have spalled?
should you not have spalled?
should they not have spalled? 	should I not have been spalling?
should you not have been spalling?
should he not have been spalling?
should we not have been spalling?
should you not have been spalling?
should they not have been spalling?