should charm
Regular verb: charm - charmed- charmed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd charm
you'd charm
he'd charm
we'd charm
you'd charm
they'd charm 	I'd be charming
you'd be charming
he'd be charming
we'd be charming
you'd be charming
they'd be charming	I should've charmed
you should've charmed
he should've charmed
we should've charmed
you should've charmed
they should've charmed	I should've been charming
you should've been charming
he should've been charming
we should've been charming
you should've been charming
they should've been charming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't charm
you shouldn't charm
he shouldn't charm
we shouldn't charm
you shouldn't charm
they shouldn't charm 	I shouldn't be charming
you shouldn't be charming
he shouldn't be charming
we shouldn't be charming
you shouldn't be charming
they shouldn't be charming	I shouldn't have charmed
you shouldn't have charmed
he shouldn't have charmed
we shouldn't have charmed
you shouldn't have charmed
they shouldn't have charmed	I shouldn't have been charming
you shouldn't have been charming
he shouldn't have been charming
we shouldn't have been charming
you shouldn't have been charming
they shouldn't have been charming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
shouldn't I charm?
shouldn't you charm?
shouldn't he charm?
shouldn't we charm?
shouldn't you charm?
shouldn't they charm? 	shouldn't I be charming?
shouldn't you be charming?
shouldn't he be charming?
shouldn't we be charming?
shouldn't you be charming?
shouldn't they be charming? 	shouldn't I have charmed?
shouldn't you have charmed?
shouldn't he have charmed?
shouldn't we have charmed?
shouldn't you have charmed?
shouldn't they have charmed? 	shouldn't I have been charming?
shouldn't you have been charming?
shouldn't he have been charming?
shouldn't we have been charming?
shouldn't you have been charming?
shouldn't they have been charming?