I'd be butylating you'd be butylating he'd be butylating we'd be butylating you'd be butylating they'd be butylating
Perfect
I should've butylated you should've butylated he should've butylated we should've butylated you should've butylated they should've butylated
V-ing perfect
I should've been butylating you should've been butylating he should've been butylating we should've been butylating you should've been butylating they should've been butylating
Negation
Simple form
I shouldn't butylate you shouldn't butylate he shouldn't butylate we shouldn't butylate you shouldn't butylate they shouldn't butylate
V-ing form
I shouldn't be butylating you shouldn't be butylating he shouldn't be butylating we shouldn't be butylating you shouldn't be butylating they shouldn't be butylating
Perfect
I shouldn't have butylated you shouldn't have butylated he shouldn't have butylated we shouldn't have butylated you shouldn't have butylated they shouldn't have butylated
V-ing perfect
I shouldn't have been butylating you shouldn't have been butylating he shouldn't have been butylating we shouldn't have been butylating you shouldn't have been butylating they shouldn't have been butylating
Interrogative form
Simple form
should I butylate? should you butylate? should he butylate? should we butylate? should you butylate? should they butylate?
V-ing form
should I be butylating? should you be butylating? should he be butylating? should we be butylating? should you be butylating? should they be butylating?
Perfect
should I have butylated? should you have butylated? should he have butylated? should we have butylated? should you have butylated? should they have butylated?
V-ing perfect
should I have been butylating? should you have been butylating? should he have been butylating? should we have been butylating? should you have been butylating? should they have been butylating?
Interro-negative form
Simple form
shouldn't I butylate? shouldn't you butylate? shouldn't he butylate? shouldn't we butylate? shouldn't you butylate? shouldn't they butylate?
V-ing form
shouldn't I be butylating? shouldn't you be butylating? shouldn't he be butylating? shouldn't we be butylating? shouldn't you be butylating? shouldn't they be butylating?
Perfect
shouldn't I have butylated? shouldn't you have butylated? shouldn't he have butylated? shouldn't we have butylated? shouldn't you have butylated? shouldn't they have butylated?
V-ing perfect
shouldn't I have been butylating? shouldn't you have been butylating? shouldn't he have been butylating? shouldn't we have been butylating? shouldn't you have been butylating? shouldn't they have been butylating?