English verb conjugation
CAN ROCK

Regular verb: rock - rocked - rocked

Affirmation

Simple form	V-ing form
I can rock you can rock he can rock we can rock you can rock they can rock	I can be rocking you can be rocking he can be rocking we can be rocking you can be rocking they can be rocking
Perfect	V-ing perfect
I can have rocked you can have rocked he can have rocked we can have rocked you can have rocked they can have rocked	I can have been rocking you can have been rocking he can have been rocking we can have been rocking you can have been rocking they can have been rocking

Negation

Simple form	V-ing form
I can't rock you can't rock he can't rock we can't rock you can't rock they can't rock	I can't be rocking you can't be rocking he can't be rocking we can't be rocking you can't be rocking they can't be rocking
Perfect	V-ing perfect
I can't have rocked you can't have rocked he can't have rocked we can't have rocked you can't have rocked they can't have rocked	I can't have been rocking you can't have been rocking he can't have been rocking we can't have been rocking you can't have been rocking they can't have been rocking

Interrogative form

Simple form	V-ing form
can I rock? can you rock? can he rock? can we rock? can you rock? can they rock?	can I be rocking? can you be rocking? can he be rocking? can we be rocking? can you be rocking? can they be rocking?
Perfect	V-ing perfect
can I have rocked? can you have rocked? can he have rocked? can we have rocked? can you have rocked? can they have rocked?	can I have been rocking? can you have been rocking? can he have been rocking? can we have been rocking? can you have been rocking? can they have been rocking?

Interro-negative form

Simple form	V-ing form
can't I rock? can't you rock? can't he rock? can't we rock? can't you rock? can't they rock?	can't I be rocking? can't you be rocking? can't he be rocking? can't we be rocking? can't you be rocking? can't they be rocking?
Perfect	V-ing perfect
can't I have rocked? can't you have rocked? can't he have rocked? can't we have rocked? can't you have rocked? can't they have rocked?	can't I have been rocking? can't you have been rocking? can't he have been rocking? can't we have been rocking? can't you have been rocking? can't they have been rocking?