I should loosen you should loosen he should loosen we should loosen you should loosen they should loosen
V-ing form
I should be loosening you should be loosening he should be loosening we should be loosening you should be loosening they should be loosening
Perfect
I should have loosened you should have loosened he should have loosened we should have loosened you should have loosened they should have loosened
V-ing perfect
I should have been loosening you should have been loosening he should have been loosening we should have been loosening you should have been loosening they should have been loosening
Negation
Simple form
I should not loosen you should not loosen he should not loosen we should not loosen you should not loosen they should not loosen
V-ing form
I should not be loosening you should not be loosening he should not be loosening we should not be loosening you should not be loosening they should not be loosening
Perfect
I should not have loosened you should not have loosened he should not have loosened we should not have loosened you should not have loosened they should not have loosened
V-ing perfect
I should not have been loosening you should not have been loosening he should not have been loosening we should not have been loosening you should not have been loosening they should not have been loosening
Interrogative form
Simple form
should I loosen? should you loosen? should he loosen? should we loosen? should you loosen? should they loosen?
V-ing form
should I be loosening? should you be loosening? should he be loosening? should we be loosening? should you be loosening? should they be loosening?
Perfect
should I have loosened? should you have loosened? should he have loosened? should we have loosened? should you have loosened? should they have loosened?
V-ing perfect
should I have been loosening? should you have been loosening? should he have been loosening? should we have been loosening? should you have been loosening? should they have been loosening?
Interro-negative form
Simple form
should I not loosen? should you not loosen? should he not loosen? should we not loosen? should you not loosen? should they not loosen?
V-ing form
should I not be loosening? should you not be loosening? should he not be loosening? should we not be loosening? should you not be loosening? should they not be loosening?
Perfect
should I not have loosened? should you not have loosened? should he not have loosened? should we not have loosened? should you not have loosened? should they not have loosened?
V-ing perfect
should I not have been loosening? should you not have been loosening? should he not have been loosening? should we not have been loosening? should you not have been loosening? should they not have been loosening?