Exercise 18. Put the questions to the italicized words. Exercise 17. Make the sentences negative

Exercise 17. Make the sentences negative. Put general and alternative questions.

Exercise 16. Put the verbs in brackets in the necessary tense form.

Paraphrase the following word combinations using possessive case. Make up sentences using them.

Exercise 15. 1) Give the plural form of the following nouns. Make up sentences using them.

Source, layer, basis, body, change, deer, grease, roof, photo, process, nucleus, plastic, metal, material, datum, liquid, fireman, businesswoman, foot, child, crisis, radius, analysis, phenomenon, formula, sheep, ox, length, inch, tooth, boy, tomato, knife, passer-by, boy-friend, sister-in-law, aircraft, bureau, stadium, circus.

Profession of my brother, job of his sister, address of her parents, the car of our teacher, the room of your children, negligence of people, attitude of their friend, clothing of firefighters, the task of that inspector, behaviour of an applicant, achievements of scientists, advice of our rector, condition of the victim, the equipment of the rescuer, the books of these students, telephone number of this cadet, resume of that man, point of view of employer, questions of interviewers, salary of employees, failure of a person.

1. If you (to remove) the fuel, the fire will not exist. 2. Light (to be) a form of energy. 3. Firefighters (to turn off) the fuel supply and suppressed the fire. 4. Flame (to become) hotter when it is mixed with the increased amounts of oxygen. 5. These flammable liquids (to be) not soluble. 6. Our fire department (to have) 10 fire engines. 7. When he graduates from the Academy he (to work) at the regional administration. 8. Flammable gases (to become) noncombustible with the addition of an inert gas. 9. There (to be) only 3 fire engines available last year. 10. They (to fight) fire two hours ago.

1. He is a teacher of fire prevention. 2. My friend studied at the Academy of Fire Safety. 3. These women work at the Fire Safety Department. 4. It often rains in Great Britain. 5. Firefighters will pump the flammable liquid from a burning tank. 6. We took part in this conference. 7. They were at the airport when I called them. 8. I thought about it much. 9. They always do everything in time. 10. The scientists will finish the experiment in two months.

1. Class A fires involve ordinary combustible materials. 2. There are three primarily types of natural fuels. 3. Oxidizers include oxygen-rich salts. 4. The term “fire gases” refers to the vaporized products of combustion. 5. The extremely high temperature of the burning metals made water ineffective. 6. His cousin was a firefighter. 7. The temperature increased greatly. 8. They will extinguish fire soon. 9. The fuel undergoes chemical change when it burns. 10. Water reduces the temperature of the burning material below its ignition temperature.

Дата добавления: 2014-12-29