I should fend you should fend she should fend we should fend you should fend they should fend
V-ing form
I should be fending you should be fending she should be fending we should be fending you should be fending they should be fending
Perfect
I should have fended you should have fended she should have fended we should have fended you should have fended they should have fended
V-ing perfect
I should have been fending you should have been fending she should have been fending we should have been fending you should have been fending they should have been fending
Negation
Simple form
I should not fend you should not fend she should not fend we should not fend you should not fend they should not fend
V-ing form
I should not be fending you should not be fending she should not be fending we should not be fending you should not be fending they should not be fending
Perfect
I should not have fended you should not have fended she should not have fended we should not have fended you should not have fended they should not have fended
V-ing perfect
I should not have been fending you should not have been fending she should not have been fending we should not have been fending you should not have been fending they should not have been fending
Interrogative form
Simple form
should I fend? should you fend? should she fend? should we fend? should you fend? should they fend?
V-ing form
should I be fending? should you be fending? should she be fending? should we be fending? should you be fending? should they be fending?
Perfect
should I have fended? should you have fended? should she have fended? should we have fended? should you have fended? should they have fended?
V-ing perfect
should I have been fending? should you have been fending? should she have been fending? should we have been fending? should you have been fending? should they have been fending?
Interro-negative form
Simple form
should I not fend? should you not fend? should she not fend? should we not fend? should you not fend? should they not fend?
V-ing form
should I not be fending? should you not be fending? should she not be fending? should we not be fending? should you not be fending? should they not be fending?
Perfect
should I not have fended? should you not have fended? should she not have fended? should we not have fended? should you not have fended? should they not have fended?
V-ing perfect
should I not have been fending? should you not have been fending? should she not have been fending? should we not have been fending? should you not have been fending? should they not have been fending?