can chop
Regular verb: chop - chopped- chopped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can chop
you can chop
he can chop
we can chop
you can chop
they can chop 	I can be chopping
you can be chopping
he can be chopping
we can be chopping
you can be chopping
they can be chopping	I can have chopped
you can have chopped
he can have chopped
we can have chopped
you can have chopped
they can have chopped	I can have been chopping
you can have been chopping
he can have been chopping
we can have been chopping
you can have been chopping
they can have been chopping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't chop
you can't chop
he can't chop
we can't chop
you can't chop
they can't chop 	I can't be chopping
you can't be chopping
he can't be chopping
we can't be chopping
you can't be chopping
they can't be chopping	I can't have chopped
you can't have chopped
he can't have chopped
we can't have chopped
you can't have chopped
they can't have chopped	I can't have been chopping
you can't have been chopping
he can't have been chopping
we can't have been chopping
you can't have been chopping
they can't have been chopping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I chop?
can you chop?
can he chop?
can we chop?
can you chop?
can they chop? 	can I be chopping?
can you be chopping?
can he be chopping?
can we be chopping?
can you be chopping?
can they be chopping? 	can I have chopped?
can you have chopped?
can he have chopped?
can we have chopped?
can you have chopped?
can they have chopped? 	can I have been chopping?
can you have been chopping?
can he have been chopping?
can we have been chopping?
can you have been chopping?
can they have been chopping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I chop?
can't you chop?
can't he chop?
can't we chop?
can't you chop?
can't they chop? 	can't I be chopping?
can't you be chopping?
can't he be chopping?
can't we be chopping?
can't you be chopping?
can't they be chopping? 	can't I have chopped?
can't you have chopped?
can't he have chopped?
can't we have chopped?
can't you have chopped?
can't they have chopped? 	can't I have been chopping?
can't you have been chopping?
can't he have been chopping?
can't we have been chopping?
can't you have been chopping?
can't they have been chopping?