Put «to be» in present tense:
• He … the best worker at the factory.
• She has some pictures. They … on the wall.
• I … a sailor.
• My brother … a doctor.
• There … some money in the purse.
• Where … your sister? – She … at school.
• The weather … not bad today.
• I … from NY. Where … you from?
• We … interested in art.
• Chess and aerobic … not as exciting as sky-diving and figure skating.
• There … a great canteen here.
• … there any shops near here?
• What … the weather forecast for today?
• The game … not worth the candle.
• …there a bus-stop?