can cluck
Regular verb: cluck - clucked- clucked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can cluck
you can cluck
he can cluck
we can cluck
you can cluck
they can cluck 	I can be clucking
you can be clucking
he can be clucking
we can be clucking
you can be clucking
they can be clucking	I can have clucked
you can have clucked
he can have clucked
we can have clucked
you can have clucked
they can have clucked	I can have been clucking
you can have been clucking
he can have been clucking
we can have been clucking
you can have been clucking
they can have been clucking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't cluck
you can't cluck
he can't cluck
we can't cluck
you can't cluck
they can't cluck 	I can't be clucking
you can't be clucking
he can't be clucking
we can't be clucking
you can't be clucking
they can't be clucking	I can't have clucked
you can't have clucked
he can't have clucked
we can't have clucked
you can't have clucked
they can't have clucked	I can't have been clucking
you can't have been clucking
he can't have been clucking
we can't have been clucking
you can't have been clucking
they can't have been clucking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I cluck?
can you cluck?
can he cluck?
can we cluck?
can you cluck?
can they cluck? 	can I be clucking?
can you be clucking?
can he be clucking?
can we be clucking?
can you be clucking?
can they be clucking? 	can I have clucked?
can you have clucked?
can he have clucked?
can we have clucked?
can you have clucked?
can they have clucked? 	can I have been clucking?
can you have been clucking?
can he have been clucking?
can we have been clucking?
can you have been clucking?
can they have been clucking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I cluck?
can't you cluck?
can't he cluck?
can't we cluck?
can't you cluck?
can't they cluck? 	can't I be clucking?
can't you be clucking?
can't he be clucking?
can't we be clucking?
can't you be clucking?
can't they be clucking? 	can't I have clucked?
can't you have clucked?
can't he have clucked?
can't we have clucked?
can't you have clucked?
can't they have clucked? 	can't I have been clucking?
can't you have been clucking?
can't he have been clucking?
can't we have been clucking?
can't you have been clucking?
can't they have been clucking?