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