1. The solar lamps are lighting the tunnel. The solar lamps were lighting the tunnel. The solar lamps will be lighting the tunnel. 2. The scientist is developing a new source of energy. The scientist was developing a new source of energy. The scientist will be developing a new source of energy. 3. The engineers are working at the problem of using solar power. The engineers were working at the problem of using solar power. The engineers will be working at the problem of using solar power. 4. The people are not using poor methods of research. The people were not using poor methods of research. The people will not be using poor methods of research. 5. The students are not having an interesting discussion. The students were not having an interesting discussion. The students will not be having an interesting discussion. 6. The sun is not shining brightly. The sun was not shining brightly. The sun will not be shining brightly. 7. The workers are complaining about unsafe working conditions. The workers were complaining about unsafe working conditions. The workers will be complaining about unsafe working conditions. 8. The government is trying to protect consumers. The government was trying to protect consumers. The government will be trying to protect consumers.
Экономика Канады, у Канады есть десятая по величине экономика в мире, является одной из самых богатых стран в мире и является членом Организации экономического сотрудничества и развития (ОЭСР) и Группа Восемь (G8). Как с другими развитыми странами, канадская экономика во власти сферы услуг, которая нанимает приблизительно три четверти канадцев. Канада необычна среди развитых стран в важности основного сектора с регистрацией и нефтедобывающими промышленностями, являющимися двумя из самой важной Канады. У Канады также есть значительный промышленный сектор, сосредоточенный в Центральной Канаде, с автомобильной промышленностью и особенно важной авиационной промышленностью. У Канады есть один из высших уровней экономической свободы в мире. Сегодня Канада близко напоминает США в своей ориентированной на рынок экономической системе и образец производства.
2. The scientist is developing a new source of energy. The scientist was developing a new source of energy. The scientist will be developing a new source of energy.
3. The engineers are working at the problem of using solar power. The engineers were working at the problem of using solar power. The engineers will be working at the problem of using solar power.
4. The people are not using poor methods of research. The people were not using poor methods of research. The people will not be using poor methods of research.
5. The students are not having an interesting discussion. The students were not having an interesting discussion. The students will not be having an interesting discussion.
6. The sun is not shining brightly. The sun was not shining brightly. The sun will not be shining brightly.
7. The workers are complaining about unsafe working conditions. The workers were complaining about unsafe working conditions. The workers will be complaining about unsafe working conditions.
8. The government is trying to protect consumers. The government was trying to protect consumers. The government will be trying to protect consumers.