should ache
Regular verb: ache - ached- ached

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't ache
you shouldn't ache
he shouldn't ache
we shouldn't ache
you shouldn't ache
they shouldn't ache 	I shouldn't be aching
you shouldn't be aching
he shouldn't be aching
we shouldn't be aching
you shouldn't be aching
they shouldn't be aching	I shouldn't have ached
you shouldn't have ached
he shouldn't have ached
we shouldn't have ached
you shouldn't have ached
they shouldn't have ached	I shouldn't have been aching
you shouldn't have been aching
he shouldn't have been aching
we shouldn't have been aching
you shouldn't have been aching
they shouldn't 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 	
shouldn't I ache?
shouldn't you ache?
shouldn't he ache?
shouldn't we ache?
shouldn't you ache?
shouldn't they ache? 	shouldn't I be aching?
shouldn't you be aching?
shouldn't he be aching?
shouldn't we be aching?
shouldn't you be aching?
shouldn't they be aching? 	shouldn't I have ached?
shouldn't you have ached?
shouldn't he have ached?
shouldn't we have ached?
shouldn't you have ached?
shouldn't they have ached? 	shouldn't I have been aching?
shouldn't you have been aching?
shouldn't he have been aching?
shouldn't we have been aching?
shouldn't you have been aching?
shouldn't they have been aching?