should gladden
Regular verb: gladden - gladdened- gladdened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd gladden
you'd gladden
he'd gladden
we'd gladden
you'd gladden
they'd gladden 	I'd be gladdening
you'd be gladdening
he'd be gladdening
we'd be gladdening
you'd be gladdening
they'd be gladdening	I should've gladdened
you should've gladdened
he should've gladdened
we should've gladdened
you should've gladdened
they should've gladdened	I should've been gladdening
you should've been gladdening
he should've been gladdening
we should've been gladdening
you should've been gladdening
they should've been gladdening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't gladden
you shouldn't gladden
he shouldn't gladden
we shouldn't gladden
you shouldn't gladden
they shouldn't gladden 	I shouldn't be gladdening
you shouldn't be gladdening
he shouldn't be gladdening
we shouldn't be gladdening
you shouldn't be gladdening
they shouldn't be gladdening	I shouldn't have gladdened
you shouldn't have gladdened
he shouldn't have gladdened
we shouldn't have gladdened
you shouldn't have gladdened
they shouldn't have gladdened	I shouldn't have been gladdening
you shouldn't have been gladdening
he shouldn't have been gladdening
we shouldn't have been gladdening
you shouldn't have been gladdening
they shouldn't have been gladdening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I gladden?
should you gladden?
should he gladden?
should we gladden?
should you gladden?
should they gladden? 	should I be gladdening?
should you be gladdening?
should he be gladdening?
should we be gladdening?
should you be gladdening?
should they be gladdening? 	should I have gladdened?
should you have gladdened?
should he have gladdened?
should we have gladdened?
should you have gladdened?
should they have gladdened? 	should I have been gladdening?
should you have been gladdening?
should he have been gladdening?
should we have been gladdening?
should you have been gladdening?
should they have been gladdening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I gladden?
shouldn't you gladden?
shouldn't he gladden?
shouldn't we gladden?
shouldn't you gladden?
shouldn't they gladden? 	shouldn't I be gladdening?
shouldn't you be gladdening?
shouldn't he be gladdening?
shouldn't we be gladdening?
shouldn't you be gladdening?
shouldn't they be gladdening? 	shouldn't I have gladdened?
shouldn't you have gladdened?
shouldn't he have gladdened?
shouldn't we have gladdened?
shouldn't you have gladdened?
shouldn't they have gladdened? 	shouldn't I have been gladdening?
shouldn't you have been gladdening?
shouldn't he have been gladdening?
shouldn't we have been gladdening?
shouldn't you have been gladdening?
shouldn't they have been gladdening?