English verb conjugation
SHOULD CHALK

Regular verb: chalk - chalked - chalked

Affirmation

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

Negation

Simple form	V-ing form
I shouldn't chalk you shouldn't chalk he shouldn't chalk we shouldn't chalk you shouldn't chalk they shouldn't chalk	I shouldn't be chalking you shouldn't be chalking he shouldn't be chalking we shouldn't be chalking you shouldn't be chalking they shouldn't be chalking
Perfect	V-ing perfect
I shouldn't have chalked you shouldn't have chalked he shouldn't have chalked we shouldn't have chalked you shouldn't have chalked they shouldn't have chalked	I shouldn't have been chalking you shouldn't have been chalking he shouldn't have been chalking we shouldn't have been chalking you shouldn't have been chalking they shouldn't 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
shouldn't I chalk? shouldn't you chalk? shouldn't he chalk? shouldn't we chalk? shouldn't you chalk? shouldn't they chalk?	shouldn't I be chalking? shouldn't you be chalking? shouldn't he be chalking? shouldn't we be chalking? shouldn't you be chalking? shouldn't they be chalking?
Perfect	V-ing perfect
shouldn't I have chalked? shouldn't you have chalked? shouldn't he have chalked? shouldn't we have chalked? shouldn't you have chalked? shouldn't they have chalked?	shouldn't I have been chalking? shouldn't you have been chalking? shouldn't he have been chalking? shouldn't we have been chalking? shouldn't you have been chalking? shouldn't they have been chalking?