can burl
Regular verb: burl - burled- burled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can burl
you can burl
he can burl
we can burl
you can burl
they can burl 	I can be burling
you can be burling
he can be burling
we can be burling
you can be burling
they can be burling	I can have burled
you can have burled
he can have burled
we can have burled
you can have burled
they can have burled	I can have been burling
you can have been burling
he can have been burling
we can have been burling
you can have been burling
they can have been burling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't burl
you can't burl
he can't burl
we can't burl
you can't burl
they can't burl 	I can't be burling
you can't be burling
he can't be burling
we can't be burling
you can't be burling
they can't be burling	I can't have burled
you can't have burled
he can't have burled
we can't have burled
you can't have burled
they can't have burled	I can't have been burling
you can't have been burling
he can't have been burling
we can't have been burling
you can't have been burling
they can't have been burling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I burl?
can you burl?
can he burl?
can we burl?
can you burl?
can they burl? 	can I be burling?
can you be burling?
can he be burling?
can we be burling?
can you be burling?
can they be burling? 	can I have burled?
can you have burled?
can he have burled?
can we have burled?
can you have burled?
can they have burled? 	can I have been burling?
can you have been burling?
can he have been burling?
can we have been burling?
can you have been burling?
can they have been burling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I burl?
can't you burl?
can't he burl?
can't we burl?
can't you burl?
can't they burl? 	can't I be burling?
can't you be burling?
can't he be burling?
can't we be burling?
can't you be burling?
can't they be burling? 	can't I have burled?
can't you have burled?
can't he have burled?
can't we have burled?
can't you have burled?
can't they have burled? 	can't I have been burling?
can't you have been burling?
can't he have been burling?
can't we have been burling?
can't you have been burling?
can't they have been burling?