English verb conjugation
SHOULD EXCOGITATE

Regular verb: excogitate - excogitated - excogitated

Affirmation

Simple form	V-ing form
I'd excogitate you'd excogitate he'd excogitate we'd excogitate you'd excogitate they'd excogitate	I'd be excogitating you'd be excogitating he'd be excogitating we'd be excogitating you'd be excogitating they'd be excogitating
Perfect	V-ing perfect
I should've excogitated you should've excogitated he should've excogitated we should've excogitated you should've excogitated they should've excogitated	I should've been excogitating you should've been excogitating he should've been excogitating we should've been excogitating you should've been excogitating they should've been excogitating

Negation

Simple form	V-ing form
I shouldn't excogitate you shouldn't excogitate he shouldn't excogitate we shouldn't excogitate you shouldn't excogitate they shouldn't excogitate	I shouldn't be excogitating you shouldn't be excogitating he shouldn't be excogitating we shouldn't be excogitating you shouldn't be excogitating they shouldn't be excogitating
Perfect	V-ing perfect
I shouldn't have excogitated you shouldn't have excogitated he shouldn't have excogitated we shouldn't have excogitated you shouldn't have excogitated they shouldn't have excogitated	I shouldn't have been excogitating you shouldn't have been excogitating he shouldn't have been excogitating we shouldn't have been excogitating you shouldn't have been excogitating they shouldn't have been excogitating

Interrogative form

Simple form	V-ing form
should I excogitate? should you excogitate? should he excogitate? should we excogitate? should you excogitate? should they excogitate?	should I be excogitating? should you be excogitating? should he be excogitating? should we be excogitating? should you be excogitating? should they be excogitating?
Perfect	V-ing perfect
should I have excogitated? should you have excogitated? should he have excogitated? should we have excogitated? should you have excogitated? should they have excogitated?	should I have been excogitating? should you have been excogitating? should he have been excogitating? should we have been excogitating? should you have been excogitating? should they have been excogitating?

Interro-negative form

Simple form	V-ing form
shouldn't I excogitate? shouldn't you excogitate? shouldn't he excogitate? shouldn't we excogitate? shouldn't you excogitate? shouldn't they excogitate?	shouldn't I be excogitating? shouldn't you be excogitating? shouldn't he be excogitating? shouldn't we be excogitating? shouldn't you be excogitating? shouldn't they be excogitating?
Perfect	V-ing perfect
shouldn't I have excogitated? shouldn't you have excogitated? shouldn't he have excogitated? shouldn't we have excogitated? shouldn't you have excogitated? shouldn't they have excogitated?	shouldn't I have been excogitating? shouldn't you have been excogitating? shouldn't he have been excogitating? shouldn't we have been excogitating? shouldn't you have been excogitating? shouldn't they have been excogitating?