Выписать из текста предложения с глаголами в форме причастие или герундий и сослагательное наклонение elementary hydraulic systems the simplest hydraulic system is perhaps the hydraulic shock absorber which consists of a pump (piston) and resistance. another elementary type of system is the hydraulic weighing machine, which consists of a non-continuous pump element(piston or diaphragm) and a pressure gauge. other elementary systems consists of a jack, transmission line, and a pump of the non-continuous type without control gear, although valves may still be present for secondary purposes. systems of this type are used for remote transmission of manual or pedal effort or motion, or for remote transmission of instrument indication. the simplest best known system of this type hydraulic brake.

1) Can hobby be any type of activity? - Yes, it can.
1) Hobby can be any type of activity, can't it? - Yes, it can.
2) Can most hobbies be divided into four categories? -  Yes, they can.
2) Most hobbies can be divided into four categories, can't they? - Yes, they can.
3) Can painting offer the hobbyst a wide choice of materials? - Yes, it can.
3) Painting can offer the hobbyst a wide choice of materials, can't it? - Yes, it can.
4) Can almost any thing be collected? - Yes, it can.
4) Almost any thing can be collected, can't it? - Yes, it can.
5) Can hobbyists collect different items? - Yes,they can.
5) Hobbyists can collect different items, can't they? - Yes, they can.
b ) 
1) Do many hobbyists like needlework activities? - Yes, they do.
1) Many hobbyists like needlework activities, don't they? - Yes, they do.
2) Do some hobbyists enjoy competitions, physical activities, and exercises? - Yes, they do.
2) Some hobbyists enjoy competitions, physical activities, and exercises, don't they? - Yes, they do.
3) Do popular indoor games include card games and chess?- Yes, they do.
3) Popular indoor games include card games and chess, don't they? - Yes,
they do.
4) Do most people choose a hobby for pleasure? - Yes, they do.
4) Most people choose a hobby for pleasure, don't they? -Yes, they do. 
5) Do many people collect books? - Yes, they do.
5) Many people collect books, don't they? - Yes, they do.
c)

1) Has he just taken part in the sport competition? - Yes, he has.
1) He has just taken part in the sport competition, hasn't he? - Yes, he has.
2) Has my friend already made a model boat? - Yes, he has. 
2) My friend has already made a model boat, hasn't he? - Yes, he has. 
3) Has my father collected a vast book collection? - Yes, he has. 
3) My father has collected a vast book collection, hasn't he? - Yes, he has. 
4) Has this edition been translated into the Spanish language? - Yes, it has.
4) This edition has been translated into the Spanish language, hasn't it? -
Yes, it has.
5)Has he found this book at that jumble-sale? - Yes, he has.
5) He has found this book at that jumble-sale, hasn't he? - Yes, he has.

▪ 1. What is technology?

~ Technology is a very broad word, as it can now be found everywhere.In scientific terms, technology is the application of scientific knowledge to solve practical problems. We can notice technology everywhere,because in the 21st century it surrounds us.

▪ 2. What kind of technology do you have?

~ We have smartphones, TVs, computers, laptops, and a microwave oven, a dishwasher all with the same word technology.

▪ 3. Do you play computer games? What are they?

~ Yes, I often play on my PC or PS4.I love to play playthroughs maps,Poluchenie,or racing game or puzzle game. Now there are a lot of different types of games, as time changes, society changes, and industry changes.

▪4. Do you have friends in some other countries?

~ Yes, I have many friends from different countries and we often communicate,I met them through the Internet and social networks.It was very convenient and most importantly fast sending of messages.

▪ 5. What social media do you use? How do you use it?

~ I don't have a lot of social networks,but I use VK,instagram,YouTube,Twitter and so on.In the early centuries, people used carrier pigeons,but this was not effective.Now everything is simplified,in a matter of seconds you can call anyone from any corner of the world.