English verb conjugation
SHOULD PREEXAMINE

Regular verb: preexamine - preexamined - preexamined

Affirmation

Simple form	V-ing form
I'd preexamine you'd preexamine he'd preexamine we'd preexamine you'd preexamine they'd preexamine	I'd be preexamining you'd be preexamining he'd be preexamining we'd be preexamining you'd be preexamining they'd be preexamining
Perfect	V-ing perfect
I should've preexamined you should've preexamined he should've preexamined we should've preexamined you should've preexamined they should've preexamined	I should've been preexamining you should've been preexamining he should've been preexamining we should've been preexamining you should've been preexamining they should've been preexamining

Negation

Simple form	V-ing form
I shouldn't preexamine you shouldn't preexamine he shouldn't preexamine we shouldn't preexamine you shouldn't preexamine they shouldn't preexamine	I shouldn't be preexamining you shouldn't be preexamining he shouldn't be preexamining we shouldn't be preexamining you shouldn't be preexamining they shouldn't be preexamining
Perfect	V-ing perfect
I shouldn't have preexamined you shouldn't have preexamined he shouldn't have preexamined we shouldn't have preexamined you shouldn't have preexamined they shouldn't have preexamined	I shouldn't have been preexamining you shouldn't have been preexamining he shouldn't have been preexamining we shouldn't have been preexamining you shouldn't have been preexamining they shouldn't have been preexamining

Interrogative form

Simple form	V-ing form
should I preexamine? should you preexamine? should he preexamine? should we preexamine? should you preexamine? should they preexamine?	should I be preexamining? should you be preexamining? should he be preexamining? should we be preexamining? should you be preexamining? should they be preexamining?
Perfect	V-ing perfect
should I have preexamined? should you have preexamined? should he have preexamined? should we have preexamined? should you have preexamined? should they have preexamined?	should I have been preexamining? should you have been preexamining? should he have been preexamining? should we have been preexamining? should you have been preexamining? should they have been preexamining?

Interro-negative form

Simple form	V-ing form
shouldn't I preexamine? shouldn't you preexamine? shouldn't he preexamine? shouldn't we preexamine? shouldn't you preexamine? shouldn't they preexamine?	shouldn't I be preexamining? shouldn't you be preexamining? shouldn't he be preexamining? shouldn't we be preexamining? shouldn't you be preexamining? shouldn't they be preexamining?
Perfect	V-ing perfect
shouldn't I have preexamined? shouldn't you have preexamined? shouldn't he have preexamined? shouldn't we have preexamined? shouldn't you have preexamined? shouldn't they have preexamined?	shouldn't I have been preexamining? shouldn't you have been preexamining? shouldn't he have been preexamining? shouldn't we have been preexamining? shouldn't you have been preexamining? shouldn't they have been preexamining?