English verb conjugation
CAN BEGIN

Irregular verb: begin - began - begun

Affirmation

Simple form	V-ing form
I can begin you can begin he can begin we can begin you can begin they can begin	I can be beginning you can be beginning he can be beginning we can be beginning you can be beginning they can be beginning
Perfect	V-ing perfect
I can have begun you can have begun he can have begun we can have begun you can have begun they can have begun	I can have been beginning you can have been beginning he can have been beginning we can have been beginning you can have been beginning they can have been beginning

Negation

Simple form	V-ing form
I cannot begin you cannot begin he cannot begin we cannot begin you cannot begin they cannot begin	I cannot be beginning you cannot be beginning he cannot be beginning we cannot be beginning you cannot be beginning they cannot be beginning
Perfect	V-ing perfect
I cannot have begun you cannot have begun he cannot have begun we cannot have begun you cannot have begun they cannot have begun	I cannot have been beginning you cannot have been beginning he cannot have been beginning we cannot have been beginning you cannot have been beginning they cannot have been beginning

Interrogative form

Simple form	V-ing form
can I begin? can you begin? can he begin? can we begin? can you begin? can they begin?	can I be beginning? can you be beginning? can he be beginning? can we be beginning? can you be beginning? can they be beginning?
Perfect	V-ing perfect
can I have begun? can you have begun? can he have begun? can we have begun? can you have begun? can they have begun?	can I have been beginning? can you have been beginning? can he have been beginning? can we have been beginning? can you have been beginning? can they have been beginning?

Interro-negative form

Simple form	V-ing form
can I not begin? can you not begin? can he not begin? can we not begin? can you not begin? can they not begin?	can I not be beginning? can you not be beginning? can he not be beginning? can we not be beginning? can you not be beginning? can they not be beginning?
Perfect	V-ing perfect
can I not have begun? can you not have begun? can he not have begun? can we not have begun? can you not have begun? can they not have begun?	can I not have been beginning? can you not have been beginning? can he not have been beginning? can we not have been beginning? can you not have been beginning? can they not have been beginning?