can rock
Regular verb: rock - rocked- rocked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?