I can deskill you can deskill she can deskill we can deskill you can deskill they can deskill
V-ing form
I can be deskilling you can be deskilling she can be deskilling we can be deskilling you can be deskilling they can be deskilling
Perfect
I can have deskilled you can have deskilled she can have deskilled we can have deskilled you can have deskilled they can have deskilled
V-ing perfect
I can have been deskilling you can have been deskilling she can have been deskilling we can have been deskilling you can have been deskilling they can have been deskilling
Negation
Simple form
I can't deskill you can't deskill she can't deskill we can't deskill you can't deskill they can't deskill
V-ing form
I can't be deskilling you can't be deskilling she can't be deskilling we can't be deskilling you can't be deskilling they can't be deskilling
Perfect
I can't have deskilled you can't have deskilled she can't have deskilled we can't have deskilled you can't have deskilled they can't have deskilled
V-ing perfect
I can't have been deskilling you can't have been deskilling she can't have been deskilling we can't have been deskilling you can't have been deskilling they can't have been deskilling
Interrogative form
Simple form
can I deskill? can you deskill? can she deskill? can we deskill? can you deskill? can they deskill?
V-ing form
can I be deskilling? can you be deskilling? can she be deskilling? can we be deskilling? can you be deskilling? can they be deskilling?
Perfect
can I have deskilled? can you have deskilled? can she have deskilled? can we have deskilled? can you have deskilled? can they have deskilled?
V-ing perfect
can I have been deskilling? can you have been deskilling? can she have been deskilling? can we have been deskilling? can you have been deskilling? can they have been deskilling?
Interro-negative form
Simple form
can't I deskill? can't you deskill? can't she deskill? can't we deskill? can't you deskill? can't they deskill?
V-ing form
can't I be deskilling? can't you be deskilling? can't she be deskilling? can't we be deskilling? can't you be deskilling? can't they be deskilling?
Perfect
can't I have deskilled? can't you have deskilled? can't she have deskilled? can't we have deskilled? can't you have deskilled? can't they have deskilled?
V-ing perfect
can't I have been deskilling? can't you have been deskilling? can't she have been deskilling? can't we have been deskilling? can't you have been deskilling? can't they have been deskilling?