I should fart you should fart he should fart we should fart you should fart they should fart
V-ing form
I should be farting you should be farting he should be farting we should be farting you should be farting they should be farting
Perfect
I should have farted you should have farted he should have farted we should have farted you should have farted they should have farted
V-ing perfect
I should have been farting you should have been farting he should have been farting we should have been farting you should have been farting they should have been farting
Negation
Simple form
I should not fart you should not fart he should not fart we should not fart you should not fart they should not fart
V-ing form
I should not be farting you should not be farting he should not be farting we should not be farting you should not be farting they should not be farting
Perfect
I should not have farted you should not have farted he should not have farted we should not have farted you should not have farted they should not have farted
V-ing perfect
I should not have been farting you should not have been farting he should not have been farting we should not have been farting you should not have been farting they should not have been farting
Interrogative form
Simple form
should I fart? should you fart? should he fart? should we fart? should you fart? should they fart?
V-ing form
should I be farting? should you be farting? should he be farting? should we be farting? should you be farting? should they be farting?
Perfect
should I have farted? should you have farted? should he have farted? should we have farted? should you have farted? should they have farted?
V-ing perfect
should I have been farting? should you have been farting? should he have been farting? should we have been farting? should you have been farting? should they have been farting?
Interro-negative form
Simple form
should I not fart? should you not fart? should he not fart? should we not fart? should you not fart? should they not fart?
V-ing form
should I not be farting? should you not be farting? should he not be farting? should we not be farting? should you not be farting? should they not be farting?
Perfect
should I not have farted? should you not have farted? should he not have farted? should we not have farted? should you not have farted? should they not have farted?
V-ing perfect
should I not have been farting? should you not have been farting? should he not have been farting? should we not have been farting? should you not have been farting? should they not have been farting?