can yuck
Regular verb: yuck - yucked- yucked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can yuck
you can yuck
he can yuck
we can yuck
you can yuck
they can yuck 	I can be yucking
you can be yucking
he can be yucking
we can be yucking
you can be yucking
they can be yucking	I can have yucked
you can have yucked
he can have yucked
we can have yucked
you can have yucked
they can have yucked	I can have been yucking
you can have been yucking
he can have been yucking
we can have been yucking
you can have been yucking
they can have been yucking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't yuck
you can't yuck
he can't yuck
we can't yuck
you can't yuck
they can't yuck 	I can't be yucking
you can't be yucking
he can't be yucking
we can't be yucking
you can't be yucking
they can't be yucking	I can't have yucked
you can't have yucked
he can't have yucked
we can't have yucked
you can't have yucked
they can't have yucked	I can't have been yucking
you can't have been yucking
he can't have been yucking
we can't have been yucking
you can't have been yucking
they can't have been yucking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I yuck?
can you yuck?
can he yuck?
can we yuck?
can you yuck?
can they yuck? 	can I be yucking?
can you be yucking?
can he be yucking?
can we be yucking?
can you be yucking?
can they be yucking? 	can I have yucked?
can you have yucked?
can he have yucked?
can we have yucked?
can you have yucked?
can they have yucked? 	can I have been yucking?
can you have been yucking?
can he have been yucking?
can we have been yucking?
can you have been yucking?
can they have been yucking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I yuck?
can't you yuck?
can't he yuck?
can't we yuck?
can't you yuck?
can't they yuck? 	can't I be yucking?
can't you be yucking?
can't he be yucking?
can't we be yucking?
can't you be yucking?
can't they be yucking? 	can't I have yucked?
can't you have yucked?
can't he have yucked?
can't we have yucked?
can't you have yucked?
can't they have yucked? 	can't I have been yucking?
can't you have been yucking?
can't he have been yucking?
can't we have been yucking?
can't you have been yucking?
can't they have been yucking?