English verb conjugation
MAY SKULK

Regular verb: skulk - skulked - skulked

Affirmation

Simple form	V-ing form
I may skulk you may skulk he may skulk we may skulk you may skulk they may skulk	I may be skulking you may be skulking he may be skulking we may be skulking you may be skulking they may be skulking
Perfect	V-ing perfect
I may have skulked you may have skulked he may have skulked we may have skulked you may have skulked they may have skulked	I may have been skulking you may have been skulking he may have been skulking we may have been skulking you may have been skulking they may have been skulking

Negation

Simple form	V-ing form
I mayn't skulk you mayn't skulk he mayn't skulk we mayn't skulk you mayn't skulk they mayn't skulk	I mayn't be skulking you mayn't be skulking he mayn't be skulking we mayn't be skulking you mayn't be skulking they mayn't be skulking
Perfect	V-ing perfect
I mayn't have skulked you mayn't have skulked he mayn't have skulked we mayn't have skulked you mayn't have skulked they mayn't have skulked	I mayn't have been skulking you mayn't have been skulking he mayn't have been skulking we mayn't have been skulking you mayn't have been skulking they mayn't have been skulking

Interrogative form

Simple form	V-ing form
may I skulk? may you skulk? may he skulk? may we skulk? may you skulk? may they skulk?	may I be skulking? may you be skulking? may he be skulking? may we be skulking? may you be skulking? may they be skulking?
Perfect	V-ing perfect
may I have skulked? may you have skulked? may he have skulked? may we have skulked? may you have skulked? may they have skulked?	may I have been skulking? may you have been skulking? may he have been skulking? may we have been skulking? may you have been skulking? may they have been skulking?

Interro-negative form

Simple form	V-ing form
mayn't I skulk? mayn't you skulk? mayn't he skulk? mayn't we skulk? mayn't you skulk? mayn't they skulk?	mayn't I be skulking? mayn't you be skulking? mayn't he be skulking? mayn't we be skulking? mayn't you be skulking? mayn't they be skulking?
Perfect	V-ing perfect
mayn't I have skulked? mayn't you have skulked? mayn't he have skulked? mayn't we have skulked? mayn't you have skulked? mayn't they have skulked?	mayn't I have been skulking? mayn't you have been skulking? mayn't he have been skulking? mayn't we have been skulking? mayn't you have been skulking? mayn't they have been skulking?