1) Somebody is building a cottage next to mine.
2) When we go to Klin, we always (take) a train.
3) Listen! Somebody (is moving) on the kitchen.
4) Who (is standing) under the tree? - I can see nobody there.
5) Princes and tsars usually (build) palaces for themselves.
6) My elder brother usually (walks) fairly fast.
7) Mrs Brown never (misses) her trains, busses or planes.She always (comes) on time.
8) "Where do they usually (change) trains?".
9) They (are rebuilding) the old cathedral in the centre of the city.
10) Any army (defends) its country from the enemy.