Basic English Sentence Patterns

Exercise 7 
The following sentences are taken from Understanding Integrated Science for the 
21
st
 Century Book Book 1B published by Aristo Educational Press Limited. 
 
Fill in the blanks with the simple past form of the verbs in brackets. 
e.g. He did not go to school yesterday because he was sick. (not go, be) 
1. In the past, most people in Hong Kong __________ kerosene for cooking. (use) 
2. In the past, people __________ little energy. (require) 
3. In the past, we __________ heavily on collected rain water which was stored in 
reservoirs. (depend) 
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Answers 
 
Exercise 7 
1. used 
2. required 
3. depended 
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Unit 5 
Present Perfect Tense 
The Present Perfect Tense is used to talk about: 
1. an immediate past action 
e.g. I have just finished my dinner. 
 
2. an action which started in the past and continues up to the present 
e.g. He has worked in this company since 1990.
3. the present result of a past action
e.g. I have been to the Ocean Park. 
 
Exercsie 1 
Fill in the blanks with the present perfect form of the verbs in brackets. 
Example: We have known each other for a long time. (know)
 
1. The boys ____________________ that movie before. (see) 
2. ________ you ever __________ to the Space Museum? (be) 
3. The rain ___________________ yet. (not stop) 
4. I _______ never _________ on a motorcycle. (ride) 
5. Mr. Wong __________________ in this company since 1980. (work) 
6. Oh dear! I _________________ my new glasses. (break) 
7. The fishermen _______ just ____________ several large fish. (catch) 
8. She _____________________ the vegetables already. (cook)
9. The old man ____________________ in that little hut for ten years. (live) 
10. Everyone __________________. Let’s start the meeting. (arrive) 

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