Выпишите причастие, определите его функцию в предложении :

1. You may use my dictionary while translating technical texts. обст.

2. While reading this book I made some notes. обст.

3. These TV sets are made by Japanese using a technology called Hi-Tech. обст.

4. Working as a postman Sam supported his family. обст.

5. While studying (обст.) in London we visited some museums, including (обст.) the British Museum.