can begin
Irregular verb: begin - began- begun

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