English verb conjugation
CAN SCROLL

Regular verb: scroll - scrolled - scrolled

Affirmation

Simple form	V-ing form
I can scroll you can scroll he can scroll we can scroll you can scroll they can scroll	I can be scrolling you can be scrolling he can be scrolling we can be scrolling you can be scrolling they can be scrolling
Perfect	V-ing perfect
I can have scrolled you can have scrolled he can have scrolled we can have scrolled you can have scrolled they can have scrolled	I can have been scrolling you can have been scrolling he can have been scrolling we can have been scrolling you can have been scrolling they can have been scrolling

Negation

Simple form	V-ing form
I can't scroll you can't scroll he can't scroll we can't scroll you can't scroll they can't scroll	I can't be scrolling you can't be scrolling he can't be scrolling we can't be scrolling you can't be scrolling they can't be scrolling
Perfect	V-ing perfect
I can't have scrolled you can't have scrolled he can't have scrolled we can't have scrolled you can't have scrolled they can't have scrolled	I can't have been scrolling you can't have been scrolling he can't have been scrolling we can't have been scrolling you can't have been scrolling they can't have been scrolling

Interrogative form

Simple form	V-ing form
can I scroll? can you scroll? can he scroll? can we scroll? can you scroll? can they scroll?	can I be scrolling? can you be scrolling? can he be scrolling? can we be scrolling? can you be scrolling? can they be scrolling?
Perfect	V-ing perfect
can I have scrolled? can you have scrolled? can he have scrolled? can we have scrolled? can you have scrolled? can they have scrolled?	can I have been scrolling? can you have been scrolling? can he have been scrolling? can we have been scrolling? can you have been scrolling? can they have been scrolling?

Interro-negative form

Simple form	V-ing form
can't I scroll? can't you scroll? can't he scroll? can't we scroll? can't you scroll? can't they scroll?	can't I be scrolling? can't you be scrolling? can't he be scrolling? can't we be scrolling? can't you be scrolling? can't they be scrolling?
Perfect	V-ing perfect
can't I have scrolled? can't you have scrolled? can't he have scrolled? can't we have scrolled? can't you have scrolled? can't they have scrolled?	can't I have been scrolling? can't you have been scrolling? can't he have been scrolling? can't we have been scrolling? can't you have been scrolling? can't they have been scrolling?