English verb conjugation
SHOULD PONDER

Regular verb: ponder - pondered - pondered

Affirmation

Simple form	V-ing form
I should ponder you should ponder he should ponder we should ponder you should ponder they should ponder	I should be pondering you should be pondering he should be pondering we should be pondering you should be pondering they should be pondering
Perfect	V-ing perfect
I should have pondered you should have pondered he should have pondered we should have pondered you should have pondered they should have pondered	I should have been pondering you should have been pondering he should have been pondering we should have been pondering you should have been pondering they should have been pondering

Negation

Simple form	V-ing form
I should not ponder you should not ponder he should not ponder we should not ponder you should not ponder they should not ponder	I should not be pondering you should not be pondering he should not be pondering we should not be pondering you should not be pondering they should not be pondering
Perfect	V-ing perfect
I should not have pondered you should not have pondered he should not have pondered we should not have pondered you should not have pondered they should not have pondered	I should not have been pondering you should not have been pondering he should not have been pondering we should not have been pondering you should not have been pondering they should not have been pondering

Interrogative form

Simple form	V-ing form
should I ponder? should you ponder? should he ponder? should we ponder? should you ponder? should they ponder?	should I be pondering? should you be pondering? should he be pondering? should we be pondering? should you be pondering? should they be pondering?
Perfect	V-ing perfect
should I have pondered? should you have pondered? should he have pondered? should we have pondered? should you have pondered? should they have pondered?	should I have been pondering? should you have been pondering? should he have been pondering? should we have been pondering? should you have been pondering? should they have been pondering?

Interro-negative form

Simple form	V-ing form
should I not ponder? should you not ponder? should he not ponder? should we not ponder? should you not ponder? should they not ponder?	should I not be pondering? should you not be pondering? should he not be pondering? should we not be pondering? should you not be pondering? should they not be pondering?
Perfect	V-ing perfect
should I not have pondered? should you not have pondered? should he not have pondered? should we not have pondered? should you not have pondered? should they not have pondered?	should I not have been pondering? should you not have been pondering? should he not have been pondering? should we not have been pondering? should you not have been pondering? should they not have been pondering?