I may butylate you may butylate he may butylate we may butylate you may butylate they may butylate
V-ing form
I may be butylating you may be butylating he may be butylating we may be butylating you may be butylating they may be butylating
Perfect
I may have butylated you may have butylated he may have butylated we may have butylated you may have butylated they may have butylated
V-ing perfect
I may have been butylating you may have been butylating he may have been butylating we may have been butylating you may have been butylating they may have been butylating
Negation
Simple form
I may not butylate you may not butylate he may not butylate we may not butylate you may not butylate they may not butylate
V-ing form
I may not be butylating you may not be butylating he may not be butylating we may not be butylating you may not be butylating they may not be butylating
Perfect
I may not have butylated you may not have butylated he may not have butylated we may not have butylated you may not have butylated they may not have butylated
V-ing perfect
I may not have been butylating you may not have been butylating he may not have been butylating we may not have been butylating you may not have been butylating they may not have been butylating
Interrogative form
Simple form
may I butylate? may you butylate? may he butylate? may we butylate? may you butylate? may they butylate?
V-ing form
may I be butylating? may you be butylating? may he be butylating? may we be butylating? may you be butylating? may they be butylating?
Perfect
may I have butylated? may you have butylated? may he have butylated? may we have butylated? may you have butylated? may they have butylated?
V-ing perfect
may I have been butylating? may you have been butylating? may he have been butylating? may we have been butylating? may you have been butylating? may they have been butylating?
Interro-negative form
Simple form
may I not butylate? may you not butylate? may he not butylate? may we not butylate? may you not butylate? may they not butylate?
V-ing form
may I not be butylating? may you not be butylating? may he not be butylating? may we not be butylating? may you not be butylating? may they not be butylating?
Perfect
may I not have butylated? may you not have butylated? may he not have butylated? may we not have butylated? may you not have butylated? may they not have butylated?
V-ing perfect
may I not have been butylating? may you not have been butylating? may he not have been butylating? may we not have been butylating? may you not have been butylating? may they not have been butylating?