I can deskill you can deskill he can deskill we can deskill you can deskill they can deskill
V-ing form
I can be deskilling you can be deskilling he can be deskilling we can be deskilling you can be deskilling they can be deskilling
Perfect
I can have deskilled you can have deskilled he 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 he 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 he 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 he 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 he 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 he 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 he deskill? can we deskill? can you deskill? can they deskill?
V-ing form
can I be deskilling? can you be deskilling? can he be deskilling? can we be deskilling? can you be deskilling? can they be deskilling?
Perfect
can I have deskilled? can you have deskilled? can he 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 he 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 he 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 he 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 he 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 he have been deskilling? can't we have been deskilling? can't you have been deskilling? can't they have been deskilling?