can shuck
Regular verb: shuck - shucked- shucked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can shuck
you can shuck
he can shuck
we can shuck
you can shuck
they can shuck 	I can be shucking
you can be shucking
he can be shucking
we can be shucking
you can be shucking
they can be shucking	I can have shucked
you can have shucked
he can have shucked
we can have shucked
you can have shucked
they can have shucked	I can have been shucking
you can have been shucking
he can have been shucking
we can have been shucking
you can have been shucking
they can have been shucking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot shuck
you cannot shuck
he cannot shuck
we cannot shuck
you cannot shuck
they cannot shuck 	I cannot be shucking
you cannot be shucking
he cannot be shucking
we cannot be shucking
you cannot be shucking
they cannot be shucking	I cannot have shucked
you cannot have shucked
he cannot have shucked
we cannot have shucked
you cannot have shucked
they cannot have shucked	I cannot have been shucking
you cannot have been shucking
he cannot have been shucking
we cannot have been shucking
you cannot have been shucking
they cannot have been shucking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I shuck?
can you shuck?
can he shuck?
can we shuck?
can you shuck?
can they shuck? 	can I be shucking?
can you be shucking?
can he be shucking?
can we be shucking?
can you be shucking?
can they be shucking? 	can I have shucked?
can you have shucked?
can he have shucked?
can we have shucked?
can you have shucked?
can they have shucked? 	can I have been shucking?
can you have been shucking?
can he have been shucking?
can we have been shucking?
can you have been shucking?
can they have been shucking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not shuck?
can you not shuck?
can he not shuck?
can we not shuck?
can you not shuck?
can they not shuck? 	can I not be shucking?
can you not be shucking?
can he not be shucking?
can we not be shucking?
can you not be shucking?
can they not be shucking? 	can I not have shucked?
can you not have shucked?
can he not have shucked?
can we not have shucked?
can you not have shucked?
can they not have shucked? 	can I not have been shucking?
can you not have been shucking?
can he not have been shucking?
can we not have been shucking?
can you not have been shucking?
can they not have been shucking?