vragen + ontkenning: persoonsvorm = hulpwwto be / can / must / shall / will / should / have / do
> (?) Is that true? > (-) No, it isn't.
> (?) Were they rude? > (-) No, they weren't.
> (?) Can you write that down? > (-) No, I can't.
> (?) Do you like her? > (-) No, I don't.
> (?) Does she play football? > (-) No, she doesn't.
Now do: ex. 18