выполнить упражнение по английскому языку Укажите номера предложений, в которых инфинитив является
подлежащим и переведите все предложения:
1. To produce negative electrodes iron and zink plates are used.
2. To produce negative electrodes was the first task of the engineer.
3. To work in this field of science was the task of the engineer.
4. To work successfully in this field of science the student must know the
fundamentals of electrical engineering.

 Natural oily flammable liquid consisting mainly of a complex mixture of hydrocarbons of various molecular weights and some other chemical compounds. The color of the oil is usually solid black. Has a specific smell.Oil is found together with gaseous hydrocarbons at depths of tens of meters to 5-6 km. the Density of oil, like other hydrocarbons, is strongly dependent on temperature and pressure. It contains a large number of different organic substances and therefore is characterized not by boiling, and an initial boiling point of liquids.

1. Shop assistant want me to pay by card - продавец хочет , чтобы я заплатил картой
2. Alice would like her mother to try a dress on - Элис хотела бы, чтобы ее мать примерила платье 
3. Her parents want Ann not to come so late - Ее родители хотят , чтобы Энн не приходила так поздно
4. They expect Jack to invite them to their house - Они ждут , что Джек пригласить их домой 
5. Our teacher expect us to make a report - Наш учитель ожидает , что мы сделаем доклад
6. Her brother not want Jane to start dieting - Ее брат не хочет, чтобы Джейн начала сидеть на диете
7. A guide would like her to pay attention to the picture - Гид хотел бы , чтобы она обратила внимание на картину
8. Our parents expect my sister to go to university- Наши родители хотят , чтобы моя сестра поступила в университет