English verb conjugation
SHOULD INVITE

Regular verb: invite - invited - invited

Affirmation

Simple form	V-ing form
I'd invite you'd invite he'd invite we'd invite you'd invite they'd invite	I'd be inviting you'd be inviting he'd be inviting we'd be inviting you'd be inviting they'd be inviting
Perfect	V-ing perfect
I should've invited you should've invited he should've invited we should've invited you should've invited they should've invited	I should've been inviting you should've been inviting he should've been inviting we should've been inviting you should've been inviting they should've been inviting

Negation

Simple form	V-ing form
I shouldn't invite you shouldn't invite he shouldn't invite we shouldn't invite you shouldn't invite they shouldn't invite	I shouldn't be inviting you shouldn't be inviting he shouldn't be inviting we shouldn't be inviting you shouldn't be inviting they shouldn't be inviting
Perfect	V-ing perfect
I shouldn't have invited you shouldn't have invited he shouldn't have invited we shouldn't have invited you shouldn't have invited they shouldn't have invited	I shouldn't have been inviting you shouldn't have been inviting he shouldn't have been inviting we shouldn't have been inviting you shouldn't have been inviting they shouldn't have been inviting

Interrogative form

Simple form	V-ing form
should I invite? should you invite? should he invite? should we invite? should you invite? should they invite?	should I be inviting? should you be inviting? should he be inviting? should we be inviting? should you be inviting? should they be inviting?
Perfect	V-ing perfect
should I have invited? should you have invited? should he have invited? should we have invited? should you have invited? should they have invited?	should I have been inviting? should you have been inviting? should he have been inviting? should we have been inviting? should you have been inviting? should they have been inviting?

Interro-negative form

Simple form	V-ing form
shouldn't I invite? shouldn't you invite? shouldn't he invite? shouldn't we invite? shouldn't you invite? shouldn't they invite?	shouldn't I be inviting? shouldn't you be inviting? shouldn't he be inviting? shouldn't we be inviting? shouldn't you be inviting? shouldn't they be inviting?
Perfect	V-ing perfect
shouldn't I have invited? shouldn't you have invited? shouldn't he have invited? shouldn't we have invited? shouldn't you have invited? shouldn't they have invited?	shouldn't I have been inviting? shouldn't you have been inviting? shouldn't he have been inviting? shouldn't we have been inviting? shouldn't you have been inviting? shouldn't they have been inviting?