I should smoke you should smoke she should smoke we should smoke you should smoke they should smoke
V-ing form
I should be smoking you should be smoking she should be smoking we should be smoking you should be smoking they should be smoking
Perfect
I should have smoked you should have smoked she should have smoked we should have smoked you should have smoked they should have smoked
V-ing perfect
I should have been smoking you should have been smoking she should have been smoking we should have been smoking you should have been smoking they should have been smoking
Negation
Simple form
I should not smoke you should not smoke she should not smoke we should not smoke you should not smoke they should not smoke
V-ing form
I should not be smoking you should not be smoking she should not be smoking we should not be smoking you should not be smoking they should not be smoking
Perfect
I should not have smoked you should not have smoked she should not have smoked we should not have smoked you should not have smoked they should not have smoked
V-ing perfect
I should not have been smoking you should not have been smoking she should not have been smoking we should not have been smoking you should not have been smoking they should not have been smoking
Interrogative form
Simple form
should I smoke? should you smoke? should she smoke? should we smoke? should you smoke? should they smoke?
V-ing form
should I be smoking? should you be smoking? should she be smoking? should we be smoking? should you be smoking? should they be smoking?
Perfect
should I have smoked? should you have smoked? should she have smoked? should we have smoked? should you have smoked? should they have smoked?
V-ing perfect
should I have been smoking? should you have been smoking? should she have been smoking? should we have been smoking? should you have been smoking? should they have been smoking?
Interro-negative form
Simple form
should I not smoke? should you not smoke? should she not smoke? should we not smoke? should you not smoke? should they not smoke?
V-ing form
should I not be smoking? should you not be smoking? should she not be smoking? should we not be smoking? should you not be smoking? should they not be smoking?
Perfect
should I not have smoked? should you not have smoked? should she not have smoked? should we not have smoked? should you not have smoked? should they not have smoked?
V-ing perfect
should I not have been smoking? should you not have been smoking? should she not have been smoking? should we not have been smoking? should you not have been smoking? should they not have been smoking?