English verb conjugation
SHOULD CHARM

Regular verb: charm - charmed - charmed

Affirmation

Simple form	V-ing form
I should charm you should charm he should charm we should charm you should charm they should charm	I should be charming you should be charming he should be charming we should be charming you should be charming they should be charming
Perfect	V-ing perfect
I should have charmed you should have charmed he should have charmed we should have charmed you should have charmed they should have charmed	I should have been charming you should have been charming he should have been charming we should have been charming you should have been charming they should have been charming

Negation

Simple form	V-ing form
I should not charm you should not charm he should not charm we should not charm you should not charm they should not charm	I should not be charming you should not be charming he should not be charming we should not be charming you should not be charming they should not be charming
Perfect	V-ing perfect
I should not have charmed you should not have charmed he should not have charmed we should not have charmed you should not have charmed they should not have charmed	I should not have been charming you should not have been charming he should not have been charming we should not have been charming you should not have been charming they should not have been charming

Interrogative form

Simple form	V-ing form
should I charm? should you charm? should he charm? should we charm? should you charm? should they charm?	should I be charming? should you be charming? should he be charming? should we be charming? should you be charming? should they be charming?
Perfect	V-ing perfect
should I have charmed? should you have charmed? should he have charmed? should we have charmed? should you have charmed? should they have charmed?	should I have been charming? should you have been charming? should he have been charming? should we have been charming? should you have been charming? should they have been charming?

Interro-negative form

Simple form	V-ing form
should I not charm? should you not charm? should he not charm? should we not charm? should you not charm? should they not charm?	should I not be charming? should you not be charming? should he not be charming? should we not be charming? should you not be charming? should they not be charming?
Perfect	V-ing perfect
should I not have charmed? should you not have charmed? should he not have charmed? should we not have charmed? should you not have charmed? should they not have charmed?	should I not have been charming? should you not have been charming? should he not have been charming? should we not have been charming? should you not have been charming? should they not have been charming?