С неопределенными артиклями («a/an») можно составить такие предложения на английском языке, используя слова «мышь, утка, слон, Ник, Хелен»:
1. He noticed a big mouse under his bed.
2. When I was a little boy I loved to play with a duck at my grandmother’s house.
3. I have never seen an elephant in my life.
4. Nick has a big family.
5. They showed Helen a landscape that was one of the most beautiful in their city.