2. 1. The bicycle ... by Karl von Drais. is invented, was invented, will be invented 2. English ... in many countries of the world. spoke, is spoken, will be spoken 3. Maslenitsa ... at the end of winter. will be celebrated, is celebrated, was celebrated 4. Everybody ... to the party tomorrow. is invited, will be invited, was invited 5. Blini ... with butter and jam. is eaten, will be eaten, are eaten 6. The White House ... between 1792-1800. is built, will be built, was built.