----- Nội dung dịch tự động từ ảnh -----
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4. If we (not have)........... enough food. We (be) ....... hungry.
5. If we (be)........... hungry, we (be) ...... tired.
3. Complete the following conversation by putting in the correct positive or negative forms of the verbs in brackets.
Vy: What are you doing, Mi?
Mi: I’m writing a paragraph about the ways to save our environment.
Vy: Let me see. (Vy reads Mi’s writing.). If you (1. take) ________ instead of a bath, you (2. save) ________ water.
Mi: Can you give me some more ideas?
Vy: Sure. If you (3. cycle) _________ more, there (4. be) ________ less air pollution.
Mi: Why?
Vy: It’s simple. If you (5. cycle) __________, you (6. produce) __________ fumes. If there (7. be) _______ fumes, the air (8. be) __________ cleaner.
Mi: I see. I have another idea. If people (9. plant) __________ more trees, there (10. be) __________ floods.
Vy: That’s right. (Vy looks at her watch.) Oh, it’s five already. If I (11. not hurry) ________, I (12. be) __________ late for my English class. Bye, Mi.
Mi: Bye, Vy.
4. Choose the correct option in brackets to complete each sentence.
1. If we (protect/protected) our forests, we will help our planet.
2. I’m not sure what to do next weekend. I (might/have to) go to the cinema.
3. I (will/might) fly to Ho Chi Minh City next Saturday, but I’m not sure yet.
4. If we continue to pollute the air, we (have/having) breathing problems.
5. It’s very likely that they (will/might) be here by 10.30 p.m. tomorrow.
5. Combine each pair of sentences below to make a first conditional sentence.
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