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 mayn't butylate you mayn't butylate he mayn't butylate we mayn't butylate you mayn't butylate they mayn't butylate
V-ing form
I mayn't be butylating you mayn't be butylating he mayn't be butylating we mayn't be butylating you mayn't be butylating they mayn't be butylating
Perfect
I mayn't have butylated you mayn't have butylated he mayn't have butylated we mayn't have butylated you mayn't have butylated they mayn't have butylated
V-ing perfect
I mayn't have been butylating you mayn't have been butylating he mayn't have been butylating we mayn't have been butylating you mayn't have been butylating they mayn't 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
mayn't I butylate? mayn't you butylate? mayn't he butylate? mayn't we butylate? mayn't you butylate? mayn't they butylate?
V-ing form
mayn't I be butylating? mayn't you be butylating? mayn't he be butylating? mayn't we be butylating? mayn't you be butylating? mayn't they be butylating?
Perfect
mayn't I have butylated? mayn't you have butylated? mayn't he have butylated? mayn't we have butylated? mayn't you have butylated? mayn't they have butylated?
V-ing perfect
mayn't I have been butylating? mayn't you have been butylating? mayn't he have been butylating? mayn't we have been butylating? mayn't you have been butylating? mayn't they have been butylating?