can oink
Regular verb: oink - oinked- oinked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can oink
you can oink
he can oink
we can oink
you can oink
they can oink 	I can be oinking
you can be oinking
he can be oinking
we can be oinking
you can be oinking
they can be oinking	I can have oinked
you can have oinked
he can have oinked
we can have oinked
you can have oinked
they can have oinked	I can have been oinking
you can have been oinking
he can have been oinking
we can have been oinking
you can have been oinking
they can have been oinking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't oink
you can't oink
he can't oink
we can't oink
you can't oink
they can't oink 	I can't be oinking
you can't be oinking
he can't be oinking
we can't be oinking
you can't be oinking
they can't be oinking	I can't have oinked
you can't have oinked
he can't have oinked
we can't have oinked
you can't have oinked
they can't have oinked	I can't have been oinking
you can't have been oinking
he can't have been oinking
we can't have been oinking
you can't have been oinking
they can't have been oinking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I oink?
can you oink?
can he oink?
can we oink?
can you oink?
can they oink? 	can I be oinking?
can you be oinking?
can he be oinking?
can we be oinking?
can you be oinking?
can they be oinking? 	can I have oinked?
can you have oinked?
can he have oinked?
can we have oinked?
can you have oinked?
can they have oinked? 	can I have been oinking?
can you have been oinking?
can he have been oinking?
can we have been oinking?
can you have been oinking?
can they have been oinking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I oink?
can't you oink?
can't he oink?
can't we oink?
can't you oink?
can't they oink? 	can't I be oinking?
can't you be oinking?
can't he be oinking?
can't we be oinking?
can't you be oinking?
can't they be oinking? 	can't I have oinked?
can't you have oinked?
can't he have oinked?
can't we have oinked?
can't you have oinked?
can't they have oinked? 	can't I have been oinking?
can't you have been oinking?
can't he have been oinking?
can't we have been oinking?
can't you have been oinking?
can't they have been oinking?