can farm
Regular verb: farm - farmed- farmed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can farm
you can farm
he can farm
we can farm
you can farm
they can farm 	I can be farming
you can be farming
he can be farming
we can be farming
you can be farming
they can be farming	I can have farmed
you can have farmed
he can have farmed
we can have farmed
you can have farmed
they can have farmed	I can have been farming
you can have been farming
he can have been farming
we can have been farming
you can have been farming
they can have been farming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't farm
you can't farm
he can't farm
we can't farm
you can't farm
they can't farm 	I can't be farming
you can't be farming
he can't be farming
we can't be farming
you can't be farming
they can't be farming	I can't have farmed
you can't have farmed
he can't have farmed
we can't have farmed
you can't have farmed
they can't have farmed	I can't have been farming
you can't have been farming
he can't have been farming
we can't have been farming
you can't have been farming
they can't have been farming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I farm?
can you farm?
can he farm?
can we farm?
can you farm?
can they farm? 	can I be farming?
can you be farming?
can he be farming?
can we be farming?
can you be farming?
can they be farming? 	can I have farmed?
can you have farmed?
can he have farmed?
can we have farmed?
can you have farmed?
can they have farmed? 	can I have been farming?
can you have been farming?
can he have been farming?
can we have been farming?
can you have been farming?
can they have been farming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I farm?
can't you farm?
can't he farm?
can't we farm?
can't you farm?
can't they farm? 	can't I be farming?
can't you be farming?
can't he be farming?
can't we be farming?
can't you be farming?
can't they be farming? 	can't I have farmed?
can't you have farmed?
can't he have farmed?
can't we have farmed?
can't you have farmed?
can't they have farmed? 	can't I have been farming?
can't you have been farming?
can't he have been farming?
can't we have been farming?
can't you have been farming?
can't they have been farming?