I should masticate you should masticate he should masticate we should masticate you should masticate they should masticate
V-ing form
I should be masticating you should be masticating he should be masticating we should be masticating you should be masticating they should be masticating
Perfect
I should have masticated you should have masticated he should have masticated we should have masticated you should have masticated they should have masticated
V-ing perfect
I should have been masticating you should have been masticating he should have been masticating we should have been masticating you should have been masticating they should have been masticating
Negation
Simple form
I should not masticate you should not masticate he should not masticate we should not masticate you should not masticate they should not masticate
V-ing form
I should not be masticating you should not be masticating he should not be masticating we should not be masticating you should not be masticating they should not be masticating
Perfect
I should not have masticated you should not have masticated he should not have masticated we should not have masticated you should not have masticated they should not have masticated
V-ing perfect
I should not have been masticating you should not have been masticating he should not have been masticating we should not have been masticating you should not have been masticating they should not have been masticating
Interrogative form
Simple form
should I masticate? should you masticate? should he masticate? should we masticate? should you masticate? should they masticate?
V-ing form
should I be masticating? should you be masticating? should he be masticating? should we be masticating? should you be masticating? should they be masticating?
Perfect
should I have masticated? should you have masticated? should he have masticated? should we have masticated? should you have masticated? should they have masticated?
V-ing perfect
should I have been masticating? should you have been masticating? should he have been masticating? should we have been masticating? should you have been masticating? should they have been masticating?
Interro-negative form
Simple form
should I not masticate? should you not masticate? should he not masticate? should we not masticate? should you not masticate? should they not masticate?
V-ing form
should I not be masticating? should you not be masticating? should he not be masticating? should we not be masticating? should you not be masticating? should they not be masticating?
Perfect
should I not have masticated? should you not have masticated? should he not have masticated? should we not have masticated? should you not have masticated? should they not have masticated?
V-ing perfect
should I not have been masticating? should you not have been masticating? should he not have been masticating? should we not have been masticating? should you not have been masticating? should they not have been masticating?