I should duplicate you should duplicate he should duplicate we should duplicate you should duplicate they should duplicate
V-ing form
I should be duplicating you should be duplicating he should be duplicating we should be duplicating you should be duplicating they should be duplicating
Perfect
I should have duplicated you should have duplicated he should have duplicated we should have duplicated you should have duplicated they should have duplicated
V-ing perfect
I should have been duplicating you should have been duplicating he should have been duplicating we should have been duplicating you should have been duplicating they should have been duplicating
Negation
Simple form
I should not duplicate you should not duplicate he should not duplicate we should not duplicate you should not duplicate they should not duplicate
V-ing form
I should not be duplicating you should not be duplicating he should not be duplicating we should not be duplicating you should not be duplicating they should not be duplicating
Perfect
I should not have duplicated you should not have duplicated he should not have duplicated we should not have duplicated you should not have duplicated they should not have duplicated
V-ing perfect
I should not have been duplicating you should not have been duplicating he should not have been duplicating we should not have been duplicating you should not have been duplicating they should not have been duplicating
Interrogative form
Simple form
should I duplicate? should you duplicate? should he duplicate? should we duplicate? should you duplicate? should they duplicate?
V-ing form
should I be duplicating? should you be duplicating? should he be duplicating? should we be duplicating? should you be duplicating? should they be duplicating?
Perfect
should I have duplicated? should you have duplicated? should he have duplicated? should we have duplicated? should you have duplicated? should they have duplicated?
V-ing perfect
should I have been duplicating? should you have been duplicating? should he have been duplicating? should we have been duplicating? should you have been duplicating? should they have been duplicating?
Interro-negative form
Simple form
should I not duplicate? should you not duplicate? should he not duplicate? should we not duplicate? should you not duplicate? should they not duplicate?
V-ing form
should I not be duplicating? should you not be duplicating? should he not be duplicating? should we not be duplicating? should you not be duplicating? should they not be duplicating?
Perfect
should I not have duplicated? should you not have duplicated? should he not have duplicated? should we not have duplicated? should you not have duplicated? should they not have duplicated?
V-ing perfect
should I not have been duplicating? should you not have been duplicating? should he not have been duplicating? should we not have been duplicating? should you not have been duplicating? should they not have been duplicating?