English verb conjugation
CAN STALK

Regular verb: stalk - stalked - stalked

Affirmation

Simple form	V-ing form
I can stalk you can stalk she can stalk we can stalk you can stalk they can stalk	I can be stalking you can be stalking she can be stalking we can be stalking you can be stalking they can be stalking
Perfect	V-ing perfect
I can have stalked you can have stalked she can have stalked we can have stalked you can have stalked they can have stalked	I can have been stalking you can have been stalking she can have been stalking we can have been stalking you can have been stalking they can have been stalking

Negation

Simple form	V-ing form
I can't stalk you can't stalk she can't stalk we can't stalk you can't stalk they can't stalk	I can't be stalking you can't be stalking she can't be stalking we can't be stalking you can't be stalking they can't be stalking
Perfect	V-ing perfect
I can't have stalked you can't have stalked she can't have stalked we can't have stalked you can't have stalked they can't have stalked	I can't have been stalking you can't have been stalking she can't have been stalking we can't have been stalking you can't have been stalking they can't have been stalking

Interrogative form

Simple form	V-ing form
can I stalk? can you stalk? can she stalk? can we stalk? can you stalk? can they stalk?	can I be stalking? can you be stalking? can she be stalking? can we be stalking? can you be stalking? can they be stalking?
Perfect	V-ing perfect
can I have stalked? can you have stalked? can she have stalked? can we have stalked? can you have stalked? can they have stalked?	can I have been stalking? can you have been stalking? can she have been stalking? can we have been stalking? can you have been stalking? can they have been stalking?

Interro-negative form

Simple form	V-ing form
can't I stalk? can't you stalk? can't she stalk? can't we stalk? can't you stalk? can't they stalk?	can't I be stalking? can't you be stalking? can't she be stalking? can't we be stalking? can't you be stalking? can't they be stalking?
Perfect	V-ing perfect
can't I have stalked? can't you have stalked? can't she have stalked? can't we have stalked? can't you have stalked? can't they have stalked?	can't I have been stalking? can't you have been stalking? can't she have been stalking? can't we have been stalking? can't you have been stalking? can't they have been stalking?