could crate
Regular verb: crate - crated- crated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could crate
you could crate
he could crate
we could crate
you could crate
they could crate 	I could be crating
you could be crating
he could be crating
we could be crating
you could be crating
they could be crating	I could have crated
you could have crated
he could have crated
we could have crated
you could have crated
they could have crated	I could have been crating
you could have been crating
he could have been crating
we could have been crating
you could have been crating
they could have been crating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't crate
you couldn't crate
he couldn't crate
we couldn't crate
you couldn't crate
they couldn't crate 	I couldn't be crating
you couldn't be crating
he couldn't be crating
we couldn't be crating
you couldn't be crating
they couldn't be crating	I couldn't have crated
you couldn't have crated
he couldn't have crated
we couldn't have crated
you couldn't have crated
they couldn't have crated	I couldn't have been crating
you couldn't have been crating
he couldn't have been crating
we couldn't have been crating
you couldn't have been crating
they couldn't have been crating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I crate?
could you crate?
could he crate?
could we crate?
could you crate?
could they crate? 	could I be crating?
could you be crating?
could he be crating?
could we be crating?
could you be crating?
could they be crating? 	could I have crated?
could you have crated?
could he have crated?
could we have crated?
could you have crated?
could they have crated? 	could I have been crating?
could you have been crating?
could he have been crating?
could we have been crating?
could you have been crating?
could they have been crating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I crate?
couldn't you crate?
couldn't he crate?
couldn't we crate?
couldn't you crate?
couldn't they crate? 	couldn't I be crating?
couldn't you be crating?
couldn't he be crating?
couldn't we be crating?
couldn't you be crating?
couldn't they be crating? 	couldn't I have crated?
couldn't you have crated?
couldn't he have crated?
couldn't we have crated?
couldn't you have crated?
couldn't they have crated? 	couldn't I have been crating?
couldn't you have been crating?
couldn't he have been crating?
couldn't we have been crating?
couldn't you have been crating?
couldn't they have been crating?