could hock
Regular verb: hock - hocked- hocked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could hock
you could hock
she could hock
we could hock
you could hock
they could hock 	I could be hocking
you could be hocking
she could be hocking
we could be hocking
you could be hocking
they could be hocking	I could have hocked
you could have hocked
she could have hocked
we could have hocked
you could have hocked
they could have hocked	I could have been hocking
you could have been hocking
she could have been hocking
we could have been hocking
you could have been hocking
they could have been hocking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't hock
you couldn't hock
she couldn't hock
we couldn't hock
you couldn't hock
they couldn't hock 	I couldn't be hocking
you couldn't be hocking
she couldn't be hocking
we couldn't be hocking
you couldn't be hocking
they couldn't be hocking	I couldn't have hocked
you couldn't have hocked
she couldn't have hocked
we couldn't have hocked
you couldn't have hocked
they couldn't have hocked	I couldn't have been hocking
you couldn't have been hocking
she couldn't have been hocking
we couldn't have been hocking
you couldn't have been hocking
they couldn't have been hocking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I hock?
could you hock?
could she hock?
could we hock?
could you hock?
could they hock? 	could I be hocking?
could you be hocking?
could she be hocking?
could we be hocking?
could you be hocking?
could they be hocking? 	could I have hocked?
could you have hocked?
could she have hocked?
could we have hocked?
could you have hocked?
could they have hocked? 	could I have been hocking?
could you have been hocking?
could she have been hocking?
could we have been hocking?
could you have been hocking?
could they have been hocking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I hock?
couldn't you hock?
couldn't she hock?
couldn't we hock?
couldn't you hock?
couldn't they hock? 	couldn't I be hocking?
couldn't you be hocking?
couldn't she be hocking?
couldn't we be hocking?
couldn't you be hocking?
couldn't they be hocking? 	couldn't I have hocked?
couldn't you have hocked?
couldn't she have hocked?
couldn't we have hocked?
couldn't you have hocked?
couldn't they have hocked? 	couldn't I have been hocking?
couldn't you have been hocking?
couldn't she have been hocking?
couldn't we have been hocking?
couldn't you have been hocking?
couldn't they have been hocking?