English verb conjugation
COULD DESKILL

Regular verb: deskill - deskilled - deskilled

Affirmation

Simple form	V-ing form
I could deskill you could deskill he could deskill we could deskill you could deskill they could deskill	I could be deskilling you could be deskilling he could be deskilling we could be deskilling you could be deskilling they could be deskilling
Perfect	V-ing perfect
I could have deskilled you could have deskilled he could have deskilled we could have deskilled you could have deskilled they could have deskilled	I could have been deskilling you could have been deskilling he could have been deskilling we could have been deskilling you could have been deskilling they could have been deskilling

Negation

Simple form	V-ing form
I couldn't deskill you couldn't deskill he couldn't deskill we couldn't deskill you couldn't deskill they couldn't deskill	I couldn't be deskilling you couldn't be deskilling he couldn't be deskilling we couldn't be deskilling you couldn't be deskilling they couldn't be deskilling
Perfect	V-ing perfect
I couldn't have deskilled you couldn't have deskilled he couldn't have deskilled we couldn't have deskilled you couldn't have deskilled they couldn't have deskilled	I couldn't have been deskilling you couldn't have been deskilling he couldn't have been deskilling we couldn't have been deskilling you couldn't have been deskilling they couldn't have been deskilling

Interrogative form

Simple form	V-ing form
could I deskill? could you deskill? could he deskill? could we deskill? could you deskill? could they deskill?	could I be deskilling? could you be deskilling? could he be deskilling? could we be deskilling? could you be deskilling? could they be deskilling?
Perfect	V-ing perfect
could I have deskilled? could you have deskilled? could he have deskilled? could we have deskilled? could you have deskilled? could they have deskilled?	could I have been deskilling? could you have been deskilling? could he have been deskilling? could we have been deskilling? could you have been deskilling? could they have been deskilling?

Interro-negative form

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