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