English verb conjugation
MAY SCUMBLE

Regular verb: scumble - scumbled - scumbled

Affirmation

Simple form	V-ing form
I may scumble you may scumble he may scumble we may scumble you may scumble they may scumble	I may be scumbling you may be scumbling he may be scumbling we may be scumbling you may be scumbling they may be scumbling
Perfect	V-ing perfect
I may have scumbled you may have scumbled he may have scumbled we may have scumbled you may have scumbled they may have scumbled	I may have been scumbling you may have been scumbling he may have been scumbling we may have been scumbling you may have been scumbling they may have been scumbling

Negation

Simple form	V-ing form
I mayn't scumble you mayn't scumble he mayn't scumble we mayn't scumble you mayn't scumble they mayn't scumble	I mayn't be scumbling you mayn't be scumbling he mayn't be scumbling we mayn't be scumbling you mayn't be scumbling they mayn't be scumbling
Perfect	V-ing perfect
I mayn't have scumbled you mayn't have scumbled he mayn't have scumbled we mayn't have scumbled you mayn't have scumbled they mayn't have scumbled	I mayn't have been scumbling you mayn't have been scumbling he mayn't have been scumbling we mayn't have been scumbling you mayn't have been scumbling they mayn't have been scumbling

Interrogative form

Simple form	V-ing form
may I scumble? may you scumble? may he scumble? may we scumble? may you scumble? may they scumble?	may I be scumbling? may you be scumbling? may he be scumbling? may we be scumbling? may you be scumbling? may they be scumbling?
Perfect	V-ing perfect
may I have scumbled? may you have scumbled? may he have scumbled? may we have scumbled? may you have scumbled? may they have scumbled?	may I have been scumbling? may you have been scumbling? may he have been scumbling? may we have been scumbling? may you have been scumbling? may they have been scumbling?

Interro-negative form

Simple form	V-ing form
mayn't I scumble? mayn't you scumble? mayn't he scumble? mayn't we scumble? mayn't you scumble? mayn't they scumble?	mayn't I be scumbling? mayn't you be scumbling? mayn't he be scumbling? mayn't we be scumbling? mayn't you be scumbling? mayn't they be scumbling?
Perfect	V-ing perfect
mayn't I have scumbled? mayn't you have scumbled? mayn't he have scumbled? mayn't we have scumbled? mayn't you have scumbled? mayn't they have scumbled?	mayn't I have been scumbling? mayn't you have been scumbling? mayn't he have been scumbling? mayn't we have been scumbling? mayn't you have been scumbling? mayn't they have been scumbling?