I should tap you should tap he should tap we should tap you should tap they should tap
V-ing form
I should be tapping you should be tapping he should be tapping we should be tapping you should be tapping they should be tapping
Perfect
I should have tapped you should have tapped he should have tapped we should have tapped you should have tapped they should have tapped
V-ing perfect
I should have been tapping you should have been tapping he should have been tapping we should have been tapping you should have been tapping they should have been tapping
Negation
Simple form
I should not tap you should not tap he should not tap we should not tap you should not tap they should not tap
V-ing form
I should not be tapping you should not be tapping he should not be tapping we should not be tapping you should not be tapping they should not be tapping
Perfect
I should not have tapped you should not have tapped he should not have tapped we should not have tapped you should not have tapped they should not have tapped
V-ing perfect
I should not have been tapping you should not have been tapping he should not have been tapping we should not have been tapping you should not have been tapping they should not have been tapping
Interrogative form
Simple form
should I tap? should you tap? should he tap? should we tap? should you tap? should they tap?
V-ing form
should I be tapping? should you be tapping? should he be tapping? should we be tapping? should you be tapping? should they be tapping?
Perfect
should I have tapped? should you have tapped? should he have tapped? should we have tapped? should you have tapped? should they have tapped?
V-ing perfect
should I have been tapping? should you have been tapping? should he have been tapping? should we have been tapping? should you have been tapping? should they have been tapping?
Interro-negative form
Simple form
should I not tap? should you not tap? should he not tap? should we not tap? should you not tap? should they not tap?
V-ing form
should I not be tapping? should you not be tapping? should he not be tapping? should we not be tapping? should you not be tapping? should they not be tapping?
Perfect
should I not have tapped? should you not have tapped? should he not have tapped? should we not have tapped? should you not have tapped? should they not have tapped?
V-ing perfect
should I not have been tapping? should you not have been tapping? should he not have been tapping? should we not have been tapping? should you not have been tapping? should they not have been tapping?