English verb conjugation
CAN DESCALE

Regular verb: descale - descaled - descaled

Affirmation

Simple form	V-ing form
I can descale you can descale he can descale we can descale you can descale they can descale	I can be descaling you can be descaling he can be descaling we can be descaling you can be descaling they can be descaling
Perfect	V-ing perfect
I can have descaled you can have descaled he can have descaled we can have descaled you can have descaled they can have descaled	I can have been descaling you can have been descaling he can have been descaling we can have been descaling you can have been descaling they can have been descaling

Negation

Simple form	V-ing form
I can't descale you can't descale he can't descale we can't descale you can't descale they can't descale	I can't be descaling you can't be descaling he can't be descaling we can't be descaling you can't be descaling they can't be descaling
Perfect	V-ing perfect
I can't have descaled you can't have descaled he can't have descaled we can't have descaled you can't have descaled they can't have descaled	I can't have been descaling you can't have been descaling he can't have been descaling we can't have been descaling you can't have been descaling they can't have been descaling

Interrogative form

Simple form	V-ing form
can I descale? can you descale? can he descale? can we descale? can you descale? can they descale?	can I be descaling? can you be descaling? can he be descaling? can we be descaling? can you be descaling? can they be descaling?
Perfect	V-ing perfect
can I have descaled? can you have descaled? can he have descaled? can we have descaled? can you have descaled? can they have descaled?	can I have been descaling? can you have been descaling? can he have been descaling? can we have been descaling? can you have been descaling? can they have been descaling?

Interro-negative form

Simple form	V-ing form
can't I descale? can't you descale? can't he descale? can't we descale? can't you descale? can't they descale?	can't I be descaling? can't you be descaling? can't he be descaling? can't we be descaling? can't you be descaling? can't they be descaling?
Perfect	V-ing perfect
can't I have descaled? can't you have descaled? can't he have descaled? can't we have descaled? can't you have descaled? can't they have descaled?	can't I have been descaling? can't you have been descaling? can't he have been descaling? can't we have been descaling? can't you have been descaling? can't they have been descaling?