English verb conjugation
CAN SCULL

Regular verb: scull - sculled - sculled

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?