1 St. Petersburg is well- known for its theatres and museums.
2 Moscow is famous for its universities.
3 We had to get a blanket to keep us warm.
4 This is my chair, and that is yours.
5 Boys, you must wash your cups.
6 You look as if you run.
7 He looks as if he run.
8 Have you ever swum in the ocean?
9 A friend of mine has got a rabbit.