I should duplicate you should duplicate she should duplicate we should duplicate you should duplicate they should duplicate
V-ing form
I should be duplicating you should be duplicating she should be duplicating we should be duplicating you should be duplicating they should be duplicating
Perfect
I should have duplicated you should have duplicated she 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 she 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 she 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 she 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 she 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 she 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 she duplicate? should we duplicate? should you duplicate? should they duplicate?
V-ing form
should I be duplicating? should you be duplicating? should she be duplicating? should we be duplicating? should you be duplicating? should they be duplicating?
Perfect
should I have duplicated? should you have duplicated? should she 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 she 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 she 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 she 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 she 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 she not have been duplicating? should we not have been duplicating? should you not have been duplicating? should they not have been duplicating?