English verb conjugation
SHALL SKULK

Regular verb: skulk - skulked - skulked

Affirmation

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

Negation

Simple form	V-ing form
I shall not skulk you shall not skulk he shall not skulk we shall not skulk you shall not skulk they shall not skulk	I shall not be skulking you shall not be skulking he shall not be skulking we shall not be skulking you shall not be skulking they shall not be skulking
Perfect	V-ing perfect
I shall not have skulked you shall not have skulked he shall not have skulked we shall not have skulked you shall not have skulked they shall not have skulked	I shall not have been skulking you shall not have been skulking he shall not have been skulking we shall not have been skulking you shall not have been skulking they shall not have been skulking

Interrogative form

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

Interro-negative form

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