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