should ache
Regular verb: ache - ached- ached

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd ache
you'd ache
she'd ache
we'd ache
you'd ache
they'd ache 	I'd be aching
you'd be aching
she'd be aching
we'd be aching
you'd be aching
they'd be aching	I should've ached
you should've ached
she 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
she 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
she 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
she 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
she 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
she 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 she ache?
should we ache?
should you ache?
should they ache? 	should I be aching?
should you be aching?
should she be aching?
should we be aching?
should you be aching?
should they be aching? 	should I have ached?
should you have ached?
should she 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 she 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 she 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 she 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 she 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 she have been aching?
shouldn't we have been aching?
shouldn't you have been aching?
shouldn't they have been aching?