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40
above. This mixing continues until the temperature reaches d) 4° C / 0° C.
Water then freezes first at the e) surface / bottom and ice remains on the
surface since it is f) more / less dense than water. It acts as an insulator and
g) reduces / increases the flow of heat out of the water. The water at the h)
bottom / top remains at 4° C until almost the whole body of water is frozen.
Grammar in Use
Past Perfect Simple – Past Perfect Continuous
17. Fill in the Past Perfect.
1. He felt sick because he ……… (eat) too much.
2. She signed the letter after she ……… (write) it.
3. He bought a car after he ……… (save) enough money.
4. I realized that I ……… (lose) the keys.
5. She told me she ……… (work) in France and Germany.
6. She was upset because Andrew ……… (not telephone).
18. Fill in the Past Perfect Continuous.
1. Emily was angry. She ……… (argue) with her parents for an hour.
2. Michael felt sick. He ……… (eat) chocolates all afternoon.
3. Janet was frightened. She ………(watch) a horror film for half an hour.
4. John was very tired. He ……… (read) all night.
5. The streets were covered in snow. It ……… (snow) all day.
6. You were very dirty. I ……… (clean) the cellar.
19. Put the verbs in brackets in the Simple Past or Past Perfect.
1. I (be) sorry that I (not be) nicer to him.
2. Nobody (come) to the meeting because Angela (forget) to tell people about
it.
3. Because he (not check) the oil, the car (break) down.
4. She couldn’t find the book that I (lend) her.
5. When she (come) in, we all knew where she (be).
6. The lesson (already start) when I (arrive).
7. It was a firm that I (never hear) of.
8. They (never find) where he (hide) the money.
20. Read the story and answer the following questions.
On Tuesday afternoon, everyone in my family was very busy – except me.
During the afternoon Helen repaired her car; John practised his karate; Kate did
some gardening; Stephanie played tennis; Roger swam for half an hour; Pam
40 above. This mixing continues until the temperature reaches d) 4° C / 0° C. Water then freezes first at the e) surface / bottom and ice remains on the surface since it is f) more / less dense than water. It acts as an insulator and g) reduces / increases the flow of heat out of the water. The water at the h) bottom / top remains at 4° C until almost the whole body of water is frozen. Grammar in Use Past Perfect Simple – Past Perfect Continuous 17. Fill in the Past Perfect. 1. He felt sick because he ……… (eat) too much. 2. She signed the letter after she ……… (write) it. 3. He bought a car after he ……… (save) enough money. 4. I realized that I ……… (lose) the keys. 5. She told me she ……… (work) in France and Germany. 6. She was upset because Andrew ……… (not telephone). 18. Fill in the Past Perfect Continuous. 1. Emily was angry. She ……… (argue) with her parents for an hour. 2. Michael felt sick. He ……… (eat) chocolates all afternoon. 3. Janet was frightened. She ………(watch) a horror film for half an hour. 4. John was very tired. He ……… (read) all night. 5. The streets were covered in snow. It ……… (snow) all day. 6. You were very dirty. I ……… (clean) the cellar. 19. Put the verbs in brackets in the Simple Past or Past Perfect. 1. I (be) sorry that I (not be) nicer to him. 2. Nobody (come) to the meeting because Angela (forget) to tell people about it. 3. Because he (not check) the oil, the car (break) down. 4. She couldn’t find the book that I (lend) her. 5. When she (come) in, we all knew where she (be). 6. The lesson (already start) when I (arrive). 7. It was a firm that I (never hear) of. 8. They (never find) where he (hide) the money. 20. Read the story and answer the following questions. On Tuesday afternoon, everyone in my family was very busy – except me. During the afternoon Helen repaired her car; John practised his karate; Kate did some gardening; Stephanie played tennis; Roger swam for half an hour; Pam
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