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IV. Match the term to its definition:

1. top-soil

1. The act or process of filtering.

2. water table

2. A description of all the surface features, natural and artificial, of a particular region.

3. drainage

3. The diffused or condensed liquid, especially water, which makes a gas or solid slightly damp.

4. seepage

4. The upper layer of the soil in which beneficial bacteria and naturally accumulating humus are to be found.

5. topography

5. The surface below which the ground is saturated with water.

6. moisture

6. The process of carrying away water from flat land by means of pipes or channels.

Unit 10

I. Grammar:

1. Perfect Continuous Tenses; a) Present; b) Past; c) Future.

II. Texts:

1. Drip Irrigation.

2. Protection of Water.

I. Grammar exercises

1.1. Translate the sentences into Ukrainian paying attention to the verbs in the Perfect Continuous tenses:

1. He has been trying to open this box for the last forty minutes but in vain.

2. Jane’s clothes were wet. She had been washing her dog.

3. The farmers of our region have been working with this system of irrigation successfully since the early nineties.

4. Tomorrow she will look tired. She will have been typing letters all morning.

5. Nick had been driving to work for half an hour when suddenly his car broke down.

6. When Kate got the results of her medical tests, she realized that she had been feeling ill since she had been on holiday.

7. Somebody has been drinking my coffee. My cap was full.

8. I’ll have been waiting for you since ten o’clock. I have something urgent to tell you.

1.2. Find in the text the sentences with predicates in the Perfect Continuous tenses and translate them into Ukrainian.

1.3. Put the verb into the correct form, Present Perfect or Present Perfect Continuous.

Examples: I have lost (lose) my key. Can you help me look for it? You look tired. Have you been working (you/work) hard?

1. Hello! I ________ (clearn) the windows. So far I ________ (clean) five of them and there are two more to do.

2. There’s a strange smell in here.________ (you/cook) something?

3. I ________ (read) the book you gave me but I______ (not/finish) it yet.

4. Look! Somebody ________ (break) that window.

5. ‘Sorry, I’m late.’ 'That’s all right. I ________ (not/wait) long'.

6. My brother is an actor. He ________ (appear) in several films.

1.4. Put the verb into the correct form, Past Continuous or Past Perfect Continuous.

Examples: Pete was leaning against the wall, out of breath. He had been walking fast (walk).

He tried to catch Tom but he couldn’t. Tom was bicycling (bicycle) very fast.

1. When he arrived, everyone was sitting round the table with their mouths full. They ________ (eat).

2. Jim was on his hands and knees on the floor. He ________ (look) for his cigarette lighter.

3. When he arrived, everyone was sitting round the table and talking. Their mouths were empty but their stomachs were full. They ________ (eat).

4. She ________ (chop) potatoes when she cut her finger.

5. We ________ (stand) along the road for about 20 minutes when a bus stopped and the driver offered us a lift.

6. Yesterday he ________ (work) at his diploma project at that time.

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