passive voice: Omelettes are made with eggs. English and maths are studied in all schools. Everything is tested at the factory. Computers are used in many schools.

conditionals: If you put oil and water in a bottle, they don't mix. If you add a lot of sugar to cold water, it dissolves. If I had a lot of money, i would live in a big house. If people could choose their appearance, they would be pretty. If I study hard, I will pass the exams. If she doesn’t hurry, she will be late. If it hadn’t been so cold, i would wear trainers. If I could spoken english very well, I would speak with people from other countries.