What are you able to do? (2)

Vocabulary
I know the most important words and expressions for telephone calls, emailing, text messages and to talk about communication.
Grammar
I can put sentences in negative (=ontkennende) or interrogative (vragende) forms.
I know how comparatives (= vergelijkende trappen) work.
I know what personal pronouns (= persoonlijke voornaamwoorden) are and how they change.