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 may not skulk you may not skulk he may not skulk we may not skulk you may not skulk they may not skulk	I may not be skulking you may not be skulking he may not be skulking we may not be skulking you may not be skulking they may not be skulking
Perfect	V-ing perfect
I may not have skulked you may not have skulked he may not have skulked we may not have skulked you may not have skulked they may not have skulked	I may not have been skulking you may not have been skulking he may not have been skulking we may not have been skulking you may not have been skulking they may not 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
may I not skulk? may you not skulk? may he not skulk? may we not skulk? may you not skulk? may they not skulk?	may I not be skulking? may you not be skulking? may he not be skulking? may we not be skulking? may you not be skulking? may they not be skulking?
Perfect	V-ing perfect
may I not have skulked? may you not have skulked? may he not have skulked? may we not have skulked? may you not have skulked? may they not have skulked?	may I not have been skulking? may you not have been skulking? may he not have been skulking? may we not have been skulking? may you not have been skulking? may they not have been skulking?