English verb conjugation
SHOULD SCAN

Regular verb: scan - scanned - scanned

Affirmation

Simple form	V-ing form
I should scan you should scan he should scan we should scan you should scan they should scan	I should be scanning you should be scanning he should be scanning we should be scanning you should be scanning they should be scanning
Perfect	V-ing perfect
I should have scanned you should have scanned he should have scanned we should have scanned you should have scanned they should have scanned	I should have been scanning you should have been scanning he should have been scanning we should have been scanning you should have been scanning they should have been scanning

Negation

Simple form	V-ing form
I should not scan you should not scan he should not scan we should not scan you should not scan they should not scan	I should not be scanning you should not be scanning he should not be scanning we should not be scanning you should not be scanning they should not be scanning
Perfect	V-ing perfect
I should not have scanned you should not have scanned he should not have scanned we should not have scanned you should not have scanned they should not have scanned	I should not have been scanning you should not have been scanning he should not have been scanning we should not have been scanning you should not have been scanning they should not have been scanning

Interrogative form

Simple form	V-ing form
should I scan? should you scan? should he scan? should we scan? should you scan? should they scan?	should I be scanning? should you be scanning? should he be scanning? should we be scanning? should you be scanning? should they be scanning?
Perfect	V-ing perfect
should I have scanned? should you have scanned? should he have scanned? should we have scanned? should you have scanned? should they have scanned?	should I have been scanning? should you have been scanning? should he have been scanning? should we have been scanning? should you have been scanning? should they have been scanning?

Interro-negative form

Simple form	V-ing form
should I not scan? should you not scan? should he not scan? should we not scan? should you not scan? should they not scan?	should I not be scanning? should you not be scanning? should he not be scanning? should we not be scanning? should you not be scanning? should they not be scanning?
Perfect	V-ing perfect
should I not have scanned? should you not have scanned? should he not have scanned? should we not have scanned? should you not have scanned? should they not have scanned?	should I not have been scanning? should you not have been scanning? should he not have been scanning? should we not have been scanning? should you not have been scanning? should they not have been scanning?