English verb conjugation
OUGHT TO LURK

Regular verb: lurk - lurked - lurked

Affirmation

Simple form	V-ing form
I ought to lurk you ought to lurk he ought to lurk we ought to lurk you ought to lurk they ought to lurk	I ought to be lurking you ought to be lurking he ought to be lurking we ought to be lurking you ought to be lurking they ought to be lurking
Perfect	V-ing perfect
I ought to have lurked you ought to have lurked he ought to have lurked we ought to have lurked you ought to have lurked they ought to have lurked	I ought to have been lurking you ought to have been lurking he ought to have been lurking we ought to have been lurking you ought to have been lurking they ought to have been lurking

Negation

Simple form	V-ing form
I oughtn't to lurk you oughtn't to lurk he oughtn't to lurk we oughtn't to lurk you oughtn't to lurk they oughtn't to lurk	I oughtn't to be lurking you oughtn't to be lurking he oughtn't to be lurking we oughtn't to be lurking you oughtn't to be lurking they oughtn't to be lurking
Perfect	V-ing perfect
I oughtn't to have lurked you oughtn't to have lurked he oughtn't to have lurked we oughtn't to have lurked you oughtn't to have lurked they oughtn't to have lurked	I oughtn't to have been lurking you oughtn't to have been lurking he oughtn't to have been lurking we oughtn't to have been lurking you oughtn't to have been lurking they oughtn't to have been lurking

Interrogative form

Simple form	V-ing form
ought to I lurk? ought to you lurk? ought to he lurk? ought to we lurk? ought to you lurk? ought to they lurk?	ought to I be lurking? ought to you be lurking? ought to he be lurking? ought to we be lurking? ought to you be lurking? ought to they be lurking?
Perfect	V-ing perfect
ought to I have lurked? ought to you have lurked? ought to he have lurked? ought to we have lurked? ought to you have lurked? ought to they have lurked?	ought to I have been lurking? ought to you have been lurking? ought to he have been lurking? ought to we have been lurking? ought to you have been lurking? ought to they have been lurking?

Interro-negative form

Simple form	V-ing form
oughtn't I to lurk? oughtn't you to lurk? oughtn't he to lurk? oughtn't we to lurk? oughtn't you to lurk? oughtn't they to lurk?	oughtn't I to be lurking? oughtn't you to be lurking? oughtn't he to be lurking? oughtn't we to be lurking? oughtn't you to be lurking? oughtn't they to be lurking?
Perfect	V-ing perfect
oughtn't I to have lurked? oughtn't you to have lurked? oughtn't he to have lurked? oughtn't we to have lurked? oughtn't you to have lurked? oughtn't they to have lurked?	oughtn't I to have been lurking? oughtn't you to have been lurking? oughtn't he to have been lurking? oughtn't we to have been lurking? oughtn't you to have been lurking? oughtn't they to have been lurking?