Rewrite the sentences in the negative and interrogative, as in the example. 1 He is playing football. He isn't playing football. Is he playing football? 2 They are wearing heavy jackets. 3 You are making a sandcastle. 4 She is decorating the Christmas tree. 5 It is raining today. 6 I'm going on a picnic.

1. They are wearing heavy jackets.
   • They aren't wearing heavy jackets.
   • Are they wearing heavy jackets?
2. You are making a sandcastle.
   • You aren't making a sandcastle.
   • Are you making a sandcastle?
3. She is decorating the Christmas tree.
   • She isn't decorating the Christmas tree.
   • Is she decorating the Christmas tree?
4. It is raining today.
   • It isn't raining today.
   • Is it raining today?
5. I'm going on a picnic.
   • I'm not going on a picnic.
   • Am I going on a picnic?

Ответ: см. решение.