English verb conjugation
CAN JERK

Regular verb: jerk - jerked - jerked

Affirmation

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