English verb conjugation
SHOULD GLADDEN

Regular verb: gladden - gladdened - gladdened

Affirmation

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

Negation

Simple form	V-ing form
I should not gladden you should not gladden he should not gladden we should not gladden you should not gladden they should not gladden	I should not be gladdening you should not be gladdening he should not be gladdening we should not be gladdening you should not be gladdening they should not be gladdening
Perfect	V-ing perfect
I should not have gladdened you should not have gladdened he should not have gladdened we should not have gladdened you should not have gladdened they should not have gladdened	I should not have been gladdening you should not have been gladdening he should not have been gladdening we should not have been gladdening you should not have been gladdening they should not have been gladdening

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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
should I not gladden? should you not gladden? should he not gladden? should we not gladden? should you not gladden? should they not gladden?	should I not be gladdening? should you not be gladdening? should he not be gladdening? should we not be gladdening? should you not be gladdening? should they not be gladdening?
Perfect	V-ing perfect
should I not have gladdened? should you not have gladdened? should he not have gladdened? should we not have gladdened? should you not have gladdened? should they not have gladdened?	should I not have been gladdening? should you not have been gladdening? should he not have been gladdening? should we not have been gladdening? should you not have been gladdening? should they not have been gladdening?