can scull
Regular verb: scull - sculled- sculled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can scull
you can scull
he can scull
we can scull
you can scull
they can scull 	I can be sculling
you can be sculling
he can be sculling
we can be sculling
you can be sculling
they can be sculling	I can have sculled
you can have sculled
he can have sculled
we can have sculled
you can have sculled
they can have sculled	I can have been sculling
you can have been sculling
he can have been sculling
we can have been sculling
you can have been sculling
they can have been sculling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't scull
you can't scull
he can't scull
we can't scull
you can't scull
they can't scull 	I can't be sculling
you can't be sculling
he can't be sculling
we can't be sculling
you can't be sculling
they can't be sculling	I can't have sculled
you can't have sculled
he can't have sculled
we can't have sculled
you can't have sculled
they can't have sculled	I can't have been sculling
you can't have been sculling
he can't have been sculling
we can't have been sculling
you can't have been sculling
they can't have been sculling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I scull?
can you scull?
can he scull?
can we scull?
can you scull?
can they scull? 	can I be sculling?
can you be sculling?
can he be sculling?
can we be sculling?
can you be sculling?
can they be sculling? 	can I have sculled?
can you have sculled?
can he have sculled?
can we have sculled?
can you have sculled?
can they have sculled? 	can I have been sculling?
can you have been sculling?
can he have been sculling?
can we have been sculling?
can you have been sculling?
can they have been sculling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I scull?
can't you scull?
can't he scull?
can't we scull?
can't you scull?
can't they scull? 	can't I be sculling?
can't you be sculling?
can't he be sculling?
can't we be sculling?
can't you be sculling?
can't they be sculling? 	can't I have sculled?
can't you have sculled?
can't he have sculled?
can't we have sculled?
can't you have sculled?
can't they have sculled? 	can't I have been sculling?
can't you have been sculling?
can't he have been sculling?
can't we have been sculling?
can't you have been sculling?
can't they have been sculling?