should ache
Regular verb: ache - ached- ached

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should ache
you should ache
he should ache
we should ache
you should ache
they should ache 	I should be aching
you should be aching
he should be aching
we should be aching
you should be aching
they should be aching	I should have ached
you should have ached
he should have ached
we should have ached
you should have ached
they should have ached	I should have been aching
you should have been aching
he should have been aching
we should have been aching
you should have been aching
they should have been aching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not ache
you should not ache
he should not ache
we should not ache
you should not ache
they should not ache 	I should not be aching
you should not be aching
he should not be aching
we should not be aching
you should not be aching
they should not be aching	I should not have ached
you should not have ached
he should not have ached
we should not have ached
you should not have ached
they should not have ached	I should not have been aching
you should not have been aching
he should not have been aching
we should not have been aching
you should not have been aching
they should not have been aching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I ache?
should you ache?
should he ache?
should we ache?
should you ache?
should they ache? 	should I be aching?
should you be aching?
should he be aching?
should we be aching?
should you be aching?
should they be aching? 	should I have ached?
should you have ached?
should he have ached?
should we have ached?
should you have ached?
should they have ached? 	should I have been aching?
should you have been aching?
should he have been aching?
should we have been aching?
should you have been aching?
should they have been aching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not ache?
should you not ache?
should he not ache?
should we not ache?
should you not ache?
should they not ache? 	should I not be aching?
should you not be aching?
should he not be aching?
should we not be aching?
should you not be aching?
should they not be aching? 	should I not have ached?
should you not have ached?
should he not have ached?
should we not have ached?
should you not have ached?
should they not have ached? 	should I not have been aching?
should you not have been aching?
should he not have been aching?
should we not have been aching?
should you not have been aching?
should they not have been aching?