English verb conjugation
SHOULD LESSON

Regular verb: lesson - lessoned - lessoned

Affirmation

Simple form	V-ing form
I should lesson you should lesson he should lesson we should lesson you should lesson they should lesson	I should be lessoning you should be lessoning he should be lessoning we should be lessoning you should be lessoning they should be lessoning
Perfect	V-ing perfect
I should have lessoned you should have lessoned he should have lessoned we should have lessoned you should have lessoned they should have lessoned	I should have been lessoning you should have been lessoning he should have been lessoning we should have been lessoning you should have been lessoning they should have been lessoning

Negation

Simple form	V-ing form
I should not lesson you should not lesson he should not lesson we should not lesson you should not lesson they should not lesson	I should not be lessoning you should not be lessoning he should not be lessoning we should not be lessoning you should not be lessoning they should not be lessoning
Perfect	V-ing perfect
I should not have lessoned you should not have lessoned he should not have lessoned we should not have lessoned you should not have lessoned they should not have lessoned	I should not have been lessoning you should not have been lessoning he should not have been lessoning we should not have been lessoning you should not have been lessoning they should not have been lessoning

Interrogative form

Simple form	V-ing form
should I lesson? should you lesson? should he lesson? should we lesson? should you lesson? should they lesson?	should I be lessoning? should you be lessoning? should he be lessoning? should we be lessoning? should you be lessoning? should they be lessoning?
Perfect	V-ing perfect
should I have lessoned? should you have lessoned? should he have lessoned? should we have lessoned? should you have lessoned? should they have lessoned?	should I have been lessoning? should you have been lessoning? should he have been lessoning? should we have been lessoning? should you have been lessoning? should they have been lessoning?

Interro-negative form

Simple form	V-ing form
should I not lesson? should you not lesson? should he not lesson? should we not lesson? should you not lesson? should they not lesson?	should I not be lessoning? should you not be lessoning? should he not be lessoning? should we not be lessoning? should you not be lessoning? should they not be lessoning?
Perfect	V-ing perfect
should I not have lessoned? should you not have lessoned? should he not have lessoned? should we not have lessoned? should you not have lessoned? should they not have lessoned?	should I not have been lessoning? should you not have been lessoning? should he not have been lessoning? should we not have been lessoning? should you not have been lessoning? should they not have been lessoning?