English verb conjugation
SHOULD CHALK

Regular verb: chalk - chalked - chalked

Affirmation

Simple form	V-ing form
I should chalk you should chalk he should chalk we should chalk you should chalk they should chalk	I should be chalking you should be chalking he should be chalking we should be chalking you should be chalking they should be chalking
Perfect	V-ing perfect
I should have chalked you should have chalked he should have chalked we should have chalked you should have chalked they should have chalked	I should have been chalking you should have been chalking he should have been chalking we should have been chalking you should have been chalking they should have been chalking

Negation

Simple form	V-ing form
I should not chalk you should not chalk he should not chalk we should not chalk you should not chalk they should not chalk	I should not be chalking you should not be chalking he should not be chalking we should not be chalking you should not be chalking they should not be chalking
Perfect	V-ing perfect
I should not have chalked you should not have chalked he should not have chalked we should not have chalked you should not have chalked they should not have chalked	I should not have been chalking you should not have been chalking he should not have been chalking we should not have been chalking you should not have been chalking they should not have been chalking

Interrogative form

Simple form	V-ing form
should I chalk? should you chalk? should he chalk? should we chalk? should you chalk? should they chalk?	should I be chalking? should you be chalking? should he be chalking? should we be chalking? should you be chalking? should they be chalking?
Perfect	V-ing perfect
should I have chalked? should you have chalked? should he have chalked? should we have chalked? should you have chalked? should they have chalked?	should I have been chalking? should you have been chalking? should he have been chalking? should we have been chalking? should you have been chalking? should they have been chalking?

Interro-negative form

Simple form	V-ing form
should I not chalk? should you not chalk? should he not chalk? should we not chalk? should you not chalk? should they not chalk?	should I not be chalking? should you not be chalking? should he not be chalking? should we not be chalking? should you not be chalking? should they not be chalking?
Perfect	V-ing perfect
should I not have chalked? should you not have chalked? should he not have chalked? should we not have chalked? should you not have chalked? should they not have chalked?	should I not have been chalking? should you not have been chalking? should he not have been chalking? should we not have been chalking? should you not have been chalking? should they not have been chalking?