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