Ответ:

  1. There is much information.
  2. There aren’t many people in the park.
  3. How many English books have you got?
  4. They haven’t got much homework.
  5. How much water do you drink every day?
  6. How many children are there in your class?

Правило: many употребляется с исчисляемыми существительными во множественном числе, а much — с неисчисляемыми существительными.