can till
Regular verb: till - tilled- tilled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can till
you can till
he can till
we can till
you can till
they can till 	I can be tilling
you can be tilling
he can be tilling
we can be tilling
you can be tilling
they can be tilling	I can have tilled
you can have tilled
he can have tilled
we can have tilled
you can have tilled
they can have tilled	I can have been tilling
you can have been tilling
he can have been tilling
we can have been tilling
you can have been tilling
they can have been tilling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't till
you can't till
he can't till
we can't till
you can't till
they can't till 	I can't be tilling
you can't be tilling
he can't be tilling
we can't be tilling
you can't be tilling
they can't be tilling	I can't have tilled
you can't have tilled
he can't have tilled
we can't have tilled
you can't have tilled
they can't have tilled	I can't have been tilling
you can't have been tilling
he can't have been tilling
we can't have been tilling
you can't have been tilling
they can't have been tilling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I till?
can you till?
can he till?
can we till?
can you till?
can they till? 	can I be tilling?
can you be tilling?
can he be tilling?
can we be tilling?
can you be tilling?
can they be tilling? 	can I have tilled?
can you have tilled?
can he have tilled?
can we have tilled?
can you have tilled?
can they have tilled? 	can I have been tilling?
can you have been tilling?
can he have been tilling?
can we have been tilling?
can you have been tilling?
can they have been tilling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I till?
can't you till?
can't he till?
can't we till?
can't you till?
can't they till? 	can't I be tilling?
can't you be tilling?
can't he be tilling?
can't we be tilling?
can't you be tilling?
can't they be tilling? 	can't I have tilled?
can't you have tilled?
can't he have tilled?
can't we have tilled?
can't you have tilled?
can't they have tilled? 	can't I have been tilling?
can't you have been tilling?
can't he have been tilling?
can't we have been tilling?
can't you have been tilling?
can't they have been tilling?