I'd be endowing you'd be endowing she'd be endowing we'd be endowing you'd be endowing they'd be endowing
Perfect
I should've endowed you should've endowed she should've endowed we should've endowed you should've endowed they should've endowed
V-ing perfect
I should've been endowing you should've been endowing she should've been endowing we should've been endowing you should've been endowing they should've been endowing
Negation
Simple form
I shouldn't endow you shouldn't endow she shouldn't endow we shouldn't endow you shouldn't endow they shouldn't endow
V-ing form
I shouldn't be endowing you shouldn't be endowing she shouldn't be endowing we shouldn't be endowing you shouldn't be endowing they shouldn't be endowing
Perfect
I shouldn't have endowed you shouldn't have endowed she shouldn't have endowed we shouldn't have endowed you shouldn't have endowed they shouldn't have endowed
V-ing perfect
I shouldn't have been endowing you shouldn't have been endowing she shouldn't have been endowing we shouldn't have been endowing you shouldn't have been endowing they shouldn't have been endowing
Interrogative form
Simple form
should I endow? should you endow? should she endow? should we endow? should you endow? should they endow?
V-ing form
should I be endowing? should you be endowing? should she be endowing? should we be endowing? should you be endowing? should they be endowing?
Perfect
should I have endowed? should you have endowed? should she have endowed? should we have endowed? should you have endowed? should they have endowed?
V-ing perfect
should I have been endowing? should you have been endowing? should she have been endowing? should we have been endowing? should you have been endowing? should they have been endowing?
Interro-negative form
Simple form
shouldn't I endow? shouldn't you endow? shouldn't she endow? shouldn't we endow? shouldn't you endow? shouldn't they endow?
V-ing form
shouldn't I be endowing? shouldn't you be endowing? shouldn't she be endowing? shouldn't we be endowing? shouldn't you be endowing? shouldn't they be endowing?
Perfect
shouldn't I have endowed? shouldn't you have endowed? shouldn't she have endowed? shouldn't we have endowed? shouldn't you have endowed? shouldn't they have endowed?
V-ing perfect
shouldn't I have been endowing? shouldn't you have been endowing? shouldn't she have been endowing? shouldn't we have been endowing? shouldn't you have been endowing? shouldn't they have been endowing?