English verb conjugation
SHOULD DISCOVER

Regular verb: discover - discovered - discovered

Affirmation

Simple form	V-ing form
I should discover you should discover he should discover we should discover you should discover they should discover	I should be discovering you should be discovering he should be discovering we should be discovering you should be discovering they should be discovering
Perfect	V-ing perfect
I should have discovered you should have discovered he should have discovered we should have discovered you should have discovered they should have discovered	I should have been discovering you should have been discovering he should have been discovering we should have been discovering you should have been discovering they should have been discovering

Negation

Simple form	V-ing form
I should not discover you should not discover he should not discover we should not discover you should not discover they should not discover	I should not be discovering you should not be discovering he should not be discovering we should not be discovering you should not be discovering they should not be discovering
Perfect	V-ing perfect
I should not have discovered you should not have discovered he should not have discovered we should not have discovered you should not have discovered they should not have discovered	I should not have been discovering you should not have been discovering he should not have been discovering we should not have been discovering you should not have been discovering they should not have been discovering

Interrogative form

Simple form	V-ing form
should I discover? should you discover? should he discover? should we discover? should you discover? should they discover?	should I be discovering? should you be discovering? should he be discovering? should we be discovering? should you be discovering? should they be discovering?
Perfect	V-ing perfect
should I have discovered? should you have discovered? should he have discovered? should we have discovered? should you have discovered? should they have discovered?	should I have been discovering? should you have been discovering? should he have been discovering? should we have been discovering? should you have been discovering? should they have been discovering?

Interro-negative form

Simple form	V-ing form
should I not discover? should you not discover? should he not discover? should we not discover? should you not discover? should they not discover?	should I not be discovering? should you not be discovering? should he not be discovering? should we not be discovering? should you not be discovering? should they not be discovering?
Perfect	V-ing perfect
should I not have discovered? should you not have discovered? should he not have discovered? should we not have discovered? should you not have discovered? should they not have discovered?	should I not have been discovering? should you not have been discovering? should he not have been discovering? should we not have been discovering? should you not have been discovering? should they not have been discovering?