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22 Explain meanings of these word and phrases in English.

  1. a snacker

  2. "tear-here" tag

  3. a scientist

  4. humorous effect

  5. to buy

  6. packaging environment

  7. vacuum-sealing

  8. freeze-drying

GRAMMAR FOCUS

23 Work individually. Study the information about the Passive Voice and do exercises afterwards. The passive voice

We form the passive with the verb to be and the past participle of the main verb.

to be + past participle

We use the Passive

  • When the person who carries out the action (the agent) is unknown, unimportant or obvious from the context.

That package was designed a year ago.

  • When the action itself is more important than the agent, especially in news headlines, newspaper articles, formal notices, instructions, advertisements, etc.

The new package company was visited by the governor yesterday morning.

  • When we want to emphasize the agent.

The design for Coca-Cola was created by my great-great-great father.

  • By + agent is used to say who or what did the action

  • With + instrument/material/ ingredient is used to say what the agent used, after past participles such as, filled, packed, etc

Tense/ Verb form

Active

Passive

Present Simple

He writes the report.

The report is written (by him).

Present Continuous

He is writing the report.

The report is being written.

Past Simple

He wrote the report yesterday.

The report was written yesterday.

Past Continuous

He was writing the report at that moment yesterday.

The report was being written at that moment yesterday

Present Perfect

He has just written the report.

The report has been written.

Future Simple

He will write the report tomorrow.

The report will be written tomorrow.

Future Perfect

He will have written the report by 10 p.m.

The report will have been written by 10 p.m.

Verbs with two objects have two possible passive structures.

ACTIVE

The boss gave the secretary the task.

The boss gave a task to his secretary.

PASSIVE

The secretary was given a task.

A task was given to the secretary.

24 Fill in the table with the sentences below.

Tense/ Verb form

Active

Passive

Present Simple

Present Continuous

Present Perfect

Past Simple

Past Continuous

Past Perfect

Future Simple

Future Continuous

Future Perfect

  1. These containers will be made of the special ploy.

  2. We will be improving design of that package all day tomorrow.

  3. We transport goods.

  4. New packaging materials will have been represented by our firm by 2013.

  5. This firm will produce tin cans.

  6. The contract was being discussed from 10 till 11 o’clock yesterday.

  7. He has just sold two stamps.

  8. They will have weighted it by 10 p.m.

  9. They delivered materials to the shop.

  10. The demand for ready-to-eat fresh food is being increasing.

  11. When the manager came the shop assistants had already packed the product.

  12. The use of metal containers was patented by Peter Durand.

  13. He was solving that problem at that moment yesterday.

  14. Flour has been wrapped in paper and put into a bag.

  15. She is cooking dinner.

  16. Before Peter Durand patented metal containers only glass jars had been used for food preservation.

  17. The convenience of the microwave is being enhancing.

  18. Tea, coffee, sugar and dried fruits are weighed out in front of the customer.

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