can jerk
Regular verb: jerk - jerked- jerked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can jerk
you can jerk
she can jerk
we can jerk
you can jerk
they can jerk 	I can be jerking
you can be jerking
she can be jerking
we can be jerking
you can be jerking
they can be jerking	I can have jerked
you can have jerked
she can have jerked
we can have jerked
you can have jerked
they can have jerked	I can have been jerking
you can have been jerking
she can have been jerking
we can have been jerking
you can have been jerking
they can have been jerking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't jerk
you can't jerk
she can't jerk
we can't jerk
you can't jerk
they can't jerk 	I can't be jerking
you can't be jerking
she can't be jerking
we can't be jerking
you can't be jerking
they can't be jerking	I can't have jerked
you can't have jerked
she can't have jerked
we can't have jerked
you can't have jerked
they can't have jerked	I can't have been jerking
you can't have been jerking
she can't have been jerking
we can't have been jerking
you can't have been jerking
they can't have been jerking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I jerk?
can you jerk?
can she jerk?
can we jerk?
can you jerk?
can they jerk? 	can I be jerking?
can you be jerking?
can she be jerking?
can we be jerking?
can you be jerking?
can they be jerking? 	can I have jerked?
can you have jerked?
can she have jerked?
can we have jerked?
can you have jerked?
can they have jerked? 	can I have been jerking?
can you have been jerking?
can she have been jerking?
can we have been jerking?
can you have been jerking?
can they have been jerking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I jerk?
can't you jerk?
can't she jerk?
can't we jerk?
can't you jerk?
can't they jerk? 	can't I be jerking?
can't you be jerking?
can't she be jerking?
can't we be jerking?
can't you be jerking?
can't they be jerking? 	can't I have jerked?
can't you have jerked?
can't she have jerked?
can't we have jerked?
can't you have jerked?
can't they have jerked? 	can't I have been jerking?
can't you have been jerking?
can't she have been jerking?
can't we have been jerking?
can't you have been jerking?
can't they have been jerking?