English verb conjugation
SHOULD TIMETABLE

Regular verb: timetable - timetabled - timetabled

Affirmation

Simple form	V-ing form
I should timetable you should timetable she should timetable we should timetable you should timetable they should timetable	I should be timetabling you should be timetabling she should be timetabling we should be timetabling you should be timetabling they should be timetabling
Perfect	V-ing perfect
I should have timetabled you should have timetabled she should have timetabled we should have timetabled you should have timetabled they should have timetabled	I should have been timetabling you should have been timetabling she should have been timetabling we should have been timetabling you should have been timetabling they should have been timetabling

Negation

Simple form	V-ing form
I should not timetable you should not timetable she should not timetable we should not timetable you should not timetable they should not timetable	I should not be timetabling you should not be timetabling she should not be timetabling we should not be timetabling you should not be timetabling they should not be timetabling
Perfect	V-ing perfect
I should not have timetabled you should not have timetabled she should not have timetabled we should not have timetabled you should not have timetabled they should not have timetabled	I should not have been timetabling you should not have been timetabling she should not have been timetabling we should not have been timetabling you should not have been timetabling they should not have been timetabling

Interrogative form

Simple form	V-ing form
should I timetable? should you timetable? should she timetable? should we timetable? should you timetable? should they timetable?	should I be timetabling? should you be timetabling? should she be timetabling? should we be timetabling? should you be timetabling? should they be timetabling?
Perfect	V-ing perfect
should I have timetabled? should you have timetabled? should she have timetabled? should we have timetabled? should you have timetabled? should they have timetabled?	should I have been timetabling? should you have been timetabling? should she have been timetabling? should we have been timetabling? should you have been timetabling? should they have been timetabling?

Interro-negative form

Simple form	V-ing form
should I not timetable? should you not timetable? should she not timetable? should we not timetable? should you not timetable? should they not timetable?	should I not be timetabling? should you not be timetabling? should she not be timetabling? should we not be timetabling? should you not be timetabling? should they not be timetabling?
Perfect	V-ing perfect
should I not have timetabled? should you not have timetabled? should she not have timetabled? should we not have timetabled? should you not have timetabled? should they not have timetabled?	should I not have been timetabling? should you not have been timetabling? should she not have been timetabling? should we not have been timetabling? should you not have been timetabling? should they not have been timetabling?