I'd be wondering you'd be wondering he'd be wondering we'd be wondering you'd be wondering they'd be wondering
Perfect
I should've wondered you should've wondered he should've wondered we should've wondered you should've wondered they should've wondered
V-ing perfect
I should've been wondering you should've been wondering he should've been wondering we should've been wondering you should've been wondering they should've been wondering
Negation
Simple form
I shouldn't wonder you shouldn't wonder he shouldn't wonder we shouldn't wonder you shouldn't wonder they shouldn't wonder
V-ing form
I shouldn't be wondering you shouldn't be wondering he shouldn't be wondering we shouldn't be wondering you shouldn't be wondering they shouldn't be wondering
Perfect
I shouldn't have wondered you shouldn't have wondered he shouldn't have wondered we shouldn't have wondered you shouldn't have wondered they shouldn't have wondered
V-ing perfect
I shouldn't have been wondering you shouldn't have been wondering he shouldn't have been wondering we shouldn't have been wondering you shouldn't have been wondering they shouldn't have been wondering
Interrogative form
Simple form
should I wonder? should you wonder? should he wonder? should we wonder? should you wonder? should they wonder?
V-ing form
should I be wondering? should you be wondering? should he be wondering? should we be wondering? should you be wondering? should they be wondering?
Perfect
should I have wondered? should you have wondered? should he have wondered? should we have wondered? should you have wondered? should they have wondered?
V-ing perfect
should I have been wondering? should you have been wondering? should he have been wondering? should we have been wondering? should you have been wondering? should they have been wondering?
Interro-negative form
Simple form
shouldn't I wonder? shouldn't you wonder? shouldn't he wonder? shouldn't we wonder? shouldn't you wonder? shouldn't they wonder?
V-ing form
shouldn't I be wondering? shouldn't you be wondering? shouldn't he be wondering? shouldn't we be wondering? shouldn't you be wondering? shouldn't they be wondering?
Perfect
shouldn't I have wondered? shouldn't you have wondered? shouldn't he have wondered? shouldn't we have wondered? shouldn't you have wondered? shouldn't they have wondered?
V-ing perfect
shouldn't I have been wondering? shouldn't you have been wondering? shouldn't he have been wondering? shouldn't we have been wondering? shouldn't you have been wondering? shouldn't they have been wondering?