I should buck you should buck she should buck we should buck you should buck they should buck
V-ing form
I should be bucking you should be bucking she should be bucking we should be bucking you should be bucking they should be bucking
Perfect
I should have bucked you should have bucked she should have bucked we should have bucked you should have bucked they should have bucked
V-ing perfect
I should have been bucking you should have been bucking she should have been bucking we should have been bucking you should have been bucking they should have been bucking
Negation
Simple form
I should not buck you should not buck she should not buck we should not buck you should not buck they should not buck
V-ing form
I should not be bucking you should not be bucking she should not be bucking we should not be bucking you should not be bucking they should not be bucking
Perfect
I should not have bucked you should not have bucked she should not have bucked we should not have bucked you should not have bucked they should not have bucked
V-ing perfect
I should not have been bucking you should not have been bucking she should not have been bucking we should not have been bucking you should not have been bucking they should not have been bucking
Interrogative form
Simple form
should I buck? should you buck? should she buck? should we buck? should you buck? should they buck?
V-ing form
should I be bucking? should you be bucking? should she be bucking? should we be bucking? should you be bucking? should they be bucking?
Perfect
should I have bucked? should you have bucked? should she have bucked? should we have bucked? should you have bucked? should they have bucked?
V-ing perfect
should I have been bucking? should you have been bucking? should she have been bucking? should we have been bucking? should you have been bucking? should they have been bucking?
Interro-negative form
Simple form
should I not buck? should you not buck? should she not buck? should we not buck? should you not buck? should they not buck?
V-ing form
should I not be bucking? should you not be bucking? should she not be bucking? should we not be bucking? should you not be bucking? should they not be bucking?
Perfect
should I not have bucked? should you not have bucked? should she not have bucked? should we not have bucked? should you not have bucked? should they not have bucked?
V-ing perfect
should I not have been bucking? should you not have been bucking? should she not have been bucking? should we not have been bucking? should you not have been bucking? should they not have been bucking?