I should tax you should tax he should tax we should tax you should tax they should tax
V-ing form
I should be taxing you should be taxing he should be taxing we should be taxing you should be taxing they should be taxing
Perfect
I should have taxed you should have taxed he should have taxed we should have taxed you should have taxed they should have taxed
V-ing perfect
I should have been taxing you should have been taxing he should have been taxing we should have been taxing you should have been taxing they should have been taxing
Negation
Simple form
I should not tax you should not tax he should not tax we should not tax you should not tax they should not tax
V-ing form
I should not be taxing you should not be taxing he should not be taxing we should not be taxing you should not be taxing they should not be taxing
Perfect
I should not have taxed you should not have taxed he should not have taxed we should not have taxed you should not have taxed they should not have taxed
V-ing perfect
I should not have been taxing you should not have been taxing he should not have been taxing we should not have been taxing you should not have been taxing they should not have been taxing
Interrogative form
Simple form
should I tax? should you tax? should he tax? should we tax? should you tax? should they tax?
V-ing form
should I be taxing? should you be taxing? should he be taxing? should we be taxing? should you be taxing? should they be taxing?
Perfect
should I have taxed? should you have taxed? should he have taxed? should we have taxed? should you have taxed? should they have taxed?
V-ing perfect
should I have been taxing? should you have been taxing? should he have been taxing? should we have been taxing? should you have been taxing? should they have been taxing?
Interro-negative form
Simple form
should I not tax? should you not tax? should he not tax? should we not tax? should you not tax? should they not tax?
V-ing form
should I not be taxing? should you not be taxing? should he not be taxing? should we not be taxing? should you not be taxing? should they not be taxing?
Perfect
should I not have taxed? should you not have taxed? should he not have taxed? should we not have taxed? should you not have taxed? should they not have taxed?
V-ing perfect
should I not have been taxing? should you not have been taxing? should he not have been taxing? should we not have been taxing? should you not have been taxing? should they not have been taxing?