English verb conjugation
SHOULD CLENCH

Regular verb: clench - clenched - clenched

Affirmation

Simple form	V-ing form
I should clench you should clench he should clench we should clench you should clench they should clench	I should be clenching you should be clenching he should be clenching we should be clenching you should be clenching they should be clenching
Perfect	V-ing perfect
I should have clenched you should have clenched he should have clenched we should have clenched you should have clenched they should have clenched	I should have been clenching you should have been clenching he should have been clenching we should have been clenching you should have been clenching they should have been clenching

Negation

Simple form	V-ing form
I should not clench you should not clench he should not clench we should not clench you should not clench they should not clench	I should not be clenching you should not be clenching he should not be clenching we should not be clenching you should not be clenching they should not be clenching
Perfect	V-ing perfect
I should not have clenched you should not have clenched he should not have clenched we should not have clenched you should not have clenched they should not have clenched	I should not have been clenching you should not have been clenching he should not have been clenching we should not have been clenching you should not have been clenching they should not have been clenching

Interrogative form

Simple form	V-ing form
should I clench? should you clench? should he clench? should we clench? should you clench? should they clench?	should I be clenching? should you be clenching? should he be clenching? should we be clenching? should you be clenching? should they be clenching?
Perfect	V-ing perfect
should I have clenched? should you have clenched? should he have clenched? should we have clenched? should you have clenched? should they have clenched?	should I have been clenching? should you have been clenching? should he have been clenching? should we have been clenching? should you have been clenching? should they have been clenching?

Interro-negative form

Simple form	V-ing form
should I not clench? should you not clench? should he not clench? should we not clench? should you not clench? should they not clench?	should I not be clenching? should you not be clenching? should he not be clenching? should we not be clenching? should you not be clenching? should they not be clenching?
Perfect	V-ing perfect
should I not have clenched? should you not have clenched? should he not have clenched? should we not have clenched? should you not have clenched? should they not have clenched?	should I not have been clenching? should you not have been clenching? should he not have been clenching? should we not have been clenching? should you not have been clenching? should they not have been clenching?