I should level you should level he should level we should level you should level they should level
V-ing form
I should be levelling you should be levelling he should be levelling we should be levelling you should be levelling they should be levelling
Perfect
I should have levelled you should have levelled he should have levelled we should have levelled you should have levelled they should have levelled
V-ing perfect
I should have been levelling you should have been levelling he should have been levelling we should have been levelling you should have been levelling they should have been levelling
Negation
Simple form
I should not level you should not level he should not level we should not level you should not level they should not level
V-ing form
I should not be levelling you should not be levelling he should not be levelling we should not be levelling you should not be levelling they should not be levelling
Perfect
I should not have levelled you should not have levelled he should not have levelled we should not have levelled you should not have levelled they should not have levelled
V-ing perfect
I should not have been levelling you should not have been levelling he should not have been levelling we should not have been levelling you should not have been levelling they should not have been levelling
Interrogative form
Simple form
should I level? should you level? should he level? should we level? should you level? should they level?
V-ing form
should I be levelling? should you be levelling? should he be levelling? should we be levelling? should you be levelling? should they be levelling?
Perfect
should I have levelled? should you have levelled? should he have levelled? should we have levelled? should you have levelled? should they have levelled?
V-ing perfect
should I have been levelling? should you have been levelling? should he have been levelling? should we have been levelling? should you have been levelling? should they have been levelling?
Interro-negative form
Simple form
should I not level? should you not level? should he not level? should we not level? should you not level? should they not level?
V-ing form
should I not be levelling? should you not be levelling? should he not be levelling? should we not be levelling? should you not be levelling? should they not be levelling?
Perfect
should I not have levelled? should you not have levelled? should he not have levelled? should we not have levelled? should you not have levelled? should they not have levelled?
V-ing perfect
should I not have been levelling? should you not have been levelling? should he not have been levelling? should we not have been levelling? should you not have been levelling? should they not have been levelling?