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