Определите признаки, указывающие на глагольную группу Continuous:
1. Не was writing academic papers during the summer.
2. The population in Europe is considerably decreasing.
3. Tomorrow our firm will be closed. We will be buying equipment from two
till six.
4. While I was tidying the attic, I found my old clothes.
5. Where is the secretary? She is sending a letter.
6. Wе are studying lesson eight.