English verb conjugation
SHOULD ACHE

Regular verb: ache - ached - ached

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?