present progressive or simple present?

Decide if you need the simple present or the present progressive. Watch out for signal words!("juggle" - means "jonglieren") Today, the Batsons are shopping (shop) at Camden Market. They often go (go) there because they like (like) the little shops. This afternoon they are trying (try) to find a present for Josephine. At the moment they are looking (look) at a shop with juggling balls. Josephine loves (love) juggling. She always watches (watch) jugglers in the street. Mrs Batson wants (want) to buy some balls. The Batsons think (think) that the juggling balls are a special present for Josephine. There are two verbs in this text that you don't usually use in the progressive form. Write down these verbs. Can you think of a reason why they don't have a progressive form?