can stook
Regular verb: stook - stooked- stooked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can stook
you can stook
he can stook
we can stook
you can stook
they can stook 	I can be stooking
you can be stooking
he can be stooking
we can be stooking
you can be stooking
they can be stooking	I can have stooked
you can have stooked
he can have stooked
we can have stooked
you can have stooked
they can have stooked	I can have been stooking
you can have been stooking
he can have been stooking
we can have been stooking
you can have been stooking
they can have been stooking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot stook
you cannot stook
he cannot stook
we cannot stook
you cannot stook
they cannot stook 	I cannot be stooking
you cannot be stooking
he cannot be stooking
we cannot be stooking
you cannot be stooking
they cannot be stooking	I cannot have stooked
you cannot have stooked
he cannot have stooked
we cannot have stooked
you cannot have stooked
they cannot have stooked	I cannot have been stooking
you cannot have been stooking
he cannot have been stooking
we cannot have been stooking
you cannot have been stooking
they cannot have been stooking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I stook?
can you stook?
can he stook?
can we stook?
can you stook?
can they stook? 	can I be stooking?
can you be stooking?
can he be stooking?
can we be stooking?
can you be stooking?
can they be stooking? 	can I have stooked?
can you have stooked?
can he have stooked?
can we have stooked?
can you have stooked?
can they have stooked? 	can I have been stooking?
can you have been stooking?
can he have been stooking?
can we have been stooking?
can you have been stooking?
can they have been stooking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not stook?
can you not stook?
can he not stook?
can we not stook?
can you not stook?
can they not stook? 	can I not be stooking?
can you not be stooking?
can he not be stooking?
can we not be stooking?
can you not be stooking?
can they not be stooking? 	can I not have stooked?
can you not have stooked?
can he not have stooked?
can we not have stooked?
can you not have stooked?
can they not have stooked? 	can I not have been stooking?
can you not have been stooking?
can he not have been stooking?
can we not have been stooking?
can you not have been stooking?
can they not have been stooking?