English verb conjugation
SHOULD FLAG

Regular verb: flag - flagged - flagged

Affirmation

Simple form	V-ing form
I should flag you should flag he should flag we should flag you should flag they should flag	I should be flagging you should be flagging he should be flagging we should be flagging you should be flagging they should be flagging
Perfect	V-ing perfect
I should have flagged you should have flagged he should have flagged we should have flagged you should have flagged they should have flagged	I should have been flagging you should have been flagging he should have been flagging we should have been flagging you should have been flagging they should have been flagging

Negation

Simple form	V-ing form
I should not flag you should not flag he should not flag we should not flag you should not flag they should not flag	I should not be flagging you should not be flagging he should not be flagging we should not be flagging you should not be flagging they should not be flagging
Perfect	V-ing perfect
I should not have flagged you should not have flagged he should not have flagged we should not have flagged you should not have flagged they should not have flagged	I should not have been flagging you should not have been flagging he should not have been flagging we should not have been flagging you should not have been flagging they should not have been flagging

Interrogative form

Simple form	V-ing form
should I flag? should you flag? should he flag? should we flag? should you flag? should they flag?	should I be flagging? should you be flagging? should he be flagging? should we be flagging? should you be flagging? should they be flagging?
Perfect	V-ing perfect
should I have flagged? should you have flagged? should he have flagged? should we have flagged? should you have flagged? should they have flagged?	should I have been flagging? should you have been flagging? should he have been flagging? should we have been flagging? should you have been flagging? should they have been flagging?

Interro-negative form

Simple form	V-ing form
should I not flag? should you not flag? should he not flag? should we not flag? should you not flag? should they not flag?	should I not be flagging? should you not be flagging? should he not be flagging? should we not be flagging? should you not be flagging? should they not be flagging?
Perfect	V-ing perfect
should I not have flagged? should you not have flagged? should he not have flagged? should we not have flagged? should you not have flagged? should they not have flagged?	should I not have been flagging? should you not have been flagging? should he not have been flagging? should we not have been flagging? should you not have been flagging? should they not have been flagging?