I should gather you should gather he should gather we should gather you should gather they should gather
V-ing form
I should be gathering you should be gathering he should be gathering we should be gathering you should be gathering they should be gathering
Perfect
I should have gathered you should have gathered he should have gathered we should have gathered you should have gathered they should have gathered
V-ing perfect
I should have been gathering you should have been gathering he should have been gathering we should have been gathering you should have been gathering they should have been gathering
Negation
Simple form
I should not gather you should not gather he should not gather we should not gather you should not gather they should not gather
V-ing form
I should not be gathering you should not be gathering he should not be gathering we should not be gathering you should not be gathering they should not be gathering
Perfect
I should not have gathered you should not have gathered he should not have gathered we should not have gathered you should not have gathered they should not have gathered
V-ing perfect
I should not have been gathering you should not have been gathering he should not have been gathering we should not have been gathering you should not have been gathering they should not have been gathering
Interrogative form
Simple form
should I gather? should you gather? should he gather? should we gather? should you gather? should they gather?
V-ing form
should I be gathering? should you be gathering? should he be gathering? should we be gathering? should you be gathering? should they be gathering?
Perfect
should I have gathered? should you have gathered? should he 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 he have been gathering? should we have been gathering? should you have been gathering? should they have been gathering?
Interro-negative form
Simple form
should I not gather? should you not gather? should he not gather? should we not gather? should you not gather? should they not gather?
V-ing form
should I not be gathering? should you not be gathering? should he not be gathering? should we not be gathering? should you not be gathering? should they not be gathering?
Perfect
should I not have gathered? should you not have gathered? should he not have gathered? should we not have gathered? should you not have gathered? should they not have gathered?
V-ing perfect
should I not have been gathering? should you not have been gathering? should he not have been gathering? should we not have been gathering? should you not have been gathering? should they not have been gathering?