English verb conjugation
SHOULD TIER

Regular verb: tier - tiered - tiered

Affirmation

Simple form	V-ing form
I should tier you should tier he should tier we should tier you should tier they should tier	I should be tiering you should be tiering he should be tiering we should be tiering you should be tiering they should be tiering
Perfect	V-ing perfect
I should have tiered you should have tiered he should have tiered we should have tiered you should have tiered they should have tiered	I should have been tiering you should have been tiering he should have been tiering we should have been tiering you should have been tiering they should have been tiering

Negation

Simple form	V-ing form
I should not tier you should not tier he should not tier we should not tier you should not tier they should not tier	I should not be tiering you should not be tiering he should not be tiering we should not be tiering you should not be tiering they should not be tiering
Perfect	V-ing perfect
I should not have tiered you should not have tiered he should not have tiered we should not have tiered you should not have tiered they should not have tiered	I should not have been tiering you should not have been tiering he should not have been tiering we should not have been tiering you should not have been tiering they should not have been tiering

Interrogative form

Simple form	V-ing form
should I tier? should you tier? should he tier? should we tier? should you tier? should they tier?	should I be tiering? should you be tiering? should he be tiering? should we be tiering? should you be tiering? should they be tiering?
Perfect	V-ing perfect
should I have tiered? should you have tiered? should he have tiered? should we have tiered? should you have tiered? should they have tiered?	should I have been tiering? should you have been tiering? should he have been tiering? should we have been tiering? should you have been tiering? should they have been tiering?

Interro-negative form

Simple form	V-ing form
should I not tier? should you not tier? should he not tier? should we not tier? should you not tier? should they not tier?	should I not be tiering? should you not be tiering? should he not be tiering? should we not be tiering? should you not be tiering? should they not be tiering?
Perfect	V-ing perfect
should I not have tiered? should you not have tiered? should he not have tiered? should we not have tiered? should you not have tiered? should they not have tiered?	should I not have been tiering? should you not have been tiering? should he not have been tiering? should we not have been tiering? should you not have been tiering? should they not have been tiering?