I should charge you should charge he should charge we should charge you should charge they should charge
V-ing form
I should be charging you should be charging he should be charging we should be charging you should be charging they should be charging
Perfect
I should have charged you should have charged he should have charged we should have charged you should have charged they should have charged
V-ing perfect
I should have been charging you should have been charging he should have been charging we should have been charging you should have been charging they should have been charging
Negation
Simple form
I should not charge you should not charge he should not charge we should not charge you should not charge they should not charge
V-ing form
I should not be charging you should not be charging he should not be charging we should not be charging you should not be charging they should not be charging
Perfect
I should not have charged you should not have charged he should not have charged we should not have charged you should not have charged they should not have charged
V-ing perfect
I should not have been charging you should not have been charging he should not have been charging we should not have been charging you should not have been charging they should not have been charging
Interrogative form
Simple form
should I charge? should you charge? should he charge? should we charge? should you charge? should they charge?
V-ing form
should I be charging? should you be charging? should he be charging? should we be charging? should you be charging? should they be charging?
Perfect
should I have charged? should you have charged? should he have charged? should we have charged? should you have charged? should they have charged?
V-ing perfect
should I have been charging? should you have been charging? should he have been charging? should we have been charging? should you have been charging? should they have been charging?
Interro-negative form
Simple form
should I not charge? should you not charge? should he not charge? should we not charge? should you not charge? should they not charge?
V-ing form
should I not be charging? should you not be charging? should he not be charging? should we not be charging? should you not be charging? should they not be charging?
Perfect
should I not have charged? should you not have charged? should he not have charged? should we not have charged? should you not have charged? should they not have charged?
V-ing perfect
should I not have been charging? should you not have been charging? should he not have been charging? should we not have been charging? should you not have been charging? should they not have been charging?