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