6. Put the verbs in brackets into the correct forms of conditional type 3. 

(Điền dạng đúng của động từ trong ngoặc theo câu điều kiện loại 3.)

1. Jason would have come to the talk on geothermal energy if we _____ (tell) him about our plans. 

2. If  I had known that product was bad for the environment, I _____ (not/choose) it. 

3. If they _____ (switch) to using wind energy earlier, they would have saved a lot of money. 

4. We _____ (not/buy) this car if we had realised that it could produce lots of pollution. 

5. Ann would have purchased solar panels for her home if she _____ (be) able to afford them. 

6. I _____ (not/know) about how biomass energy works if I hadn't watched the video. 

7. Rewrite the sentences for each situation using conditional type 3. Write in your notebook. 

(Viết lại các câu sau cho mỗi tình huống dùng câu điều kiện loại 3. Viết vào vở bài tập.)

1. I didn't know the lights were on and that's why I didn't turn them off.

2. They used so much electricity and that's why their bill was so high. 

3. Maria went to the conference on hydroelectric power late because she forgot to check the timetable. 

4. We learnt that the car wasn't solar-powered, so we didn't buy it. 

5. I stopped using coal to heat my home last year, and it has become eco-friendly since then.

3. Rewrite the sentence using conditional type 3.

(Viết lại các câu sau dùng câu điều kiện loại 3.)

1. Susan didn't have enough money. She didn't buy that electric car.

2. They didn't invest in solar power in this area. They became reliant on fossil fuels.

3. We didn't support wind power initiatives. We didn't have access to clean energy.

4. Our country implemented energy-saving measures last year. We saved a lot of money since then.

5. Anthony didn't leave home early. He was late for the green energy workshop. 

2. Read the following sentences. What sentences have in common?

(Đọc những câu sau. Những câu nào có điểm chung?)

1. If Facebook hadn't been created, people might have continued to use emails to connect with each other.

(Nếu Facebook không được tạo ra, mọi người có thể vẫn tiếp tục sử dụng email để kết nối với nhau.)

2. If Facebook hadn't been created, the world of social media would not have changed that much.

(Nếu Facebook không được tạo ra, thế giới mạng xã hội sẽ không thay đổi nhiều như vậy.)

3. If Facebook hadn't been created, people might have used blog posts to write their stories.

(Nếu Facebook chưa được tạo ra, mọi người có thể đã sử dụng các bài đăng trên blog để viết câu chuyện của mình.)

3. Read the GRAMMAR FOCUS and replace If... not in the above sentences with Unless.

(Đọc TẬP TRUNG NGỮ PHÁP và thay thế If... not trong các câu trên bằng Trừ khi.)

GRAMMAR FOCUS (NGỮ PHÁP TRỌNG TÂM)

Conditional sentences type 3 describe a situation in the past that cannot be changed because it has already happened. These sentences are often used to talk about regrets or to speculate about what might have happened if things had been different.

(Câu điều kiện loại 3 diễn tả một tình huống trong quá khứ không thể thay đổi được vì nó đã xảy ra rồi. Những câu này thường được sử dụng để nói về sự hối tiếc hoặc để suy đoán về những gì có thể xảy ra nếu mọi việc khác đi.)

• If + S + V past perfect tense, S + would have + V past participle.

(Nếu + S + V thì quá khứ hoàn thành thì S + sẽ có + V quá khứ phân từ.)

If my friends hadn't started using Facebook, I would not have used it.

(Nếu bạn bè của tôi không bắt đầu sử dụng Facebook thì tôi đã không sử dụng nó.)

= Unless my friends had started using Facebook, I would not have used it.

(Trừ khi bạn bè của tôi tuyên bố sử dụng Facebook, nếu không tôi sẽ không sử dụng nó.)

Unless is used to mean 'if not'.

(Trừ khi được sử dụng với nghĩa là 'nếu không'.)

4. Put the verbs given into the correct form of conditional sentence type 3.

(Viết các động từ đã cho về dạng đúng của câu điều kiện loại 3.)

Ms. Trang had to pay a high price for the misleading information regarding her health last year. If only she (1) ____________ (be) more careful, she (2) __________ (Not fall) for the fake news on social media. Two years ago, she read a long status on social media written by a man, who claimed to be a local therapist and advertised a locally-made herbal medication could cure all ailments for cancer. At the time, Trang was desperate for a cure for her lung cancer, so she believed it all at once. She ordered the medication online and started taking it, but soon she began to experience severe side effects.

If Trang (3) _______ (research) the medication carefully before buying it, she (4) ______ (realize) it was a scam. But it was too late, and she found herself in trouble. She became very sick and had to be hospitalized. Her health deteriorated rapidly, and she regretted falling for the fake news. If only she (5) _________ (listen) to the warnings about fake news on social media, she (6) _________ (not put) her health and life at risk. She learned a valuable lesson and warned others. about the dangers of fake news.

5. Rewrite the following sentences in conditional sentences type 3.

(Viết lại các câu sau ở dạng câu điều kiện loại 3.)

1. A singer has recently manipulated the media to mislead his fans about the news.

(Một ca sĩ gần đây đã thao túng giới truyền thông để đánh lừa người hâm mộ về tin tức này.)

If a singer had not manipulated the media, his fans would not have been misled about the news.

(Nếu ca sĩ không thao túng giới truyền thông thì người hâm mộ của anh ấy đã không bị nhầm lẫn về tin tức này.)

2. They distorted the truth to make their product sound better than it actually was.

(Họ bóp méo sự thật để làm cho sản phẩm của họ nghe hay hơn thực tế.)

3. The news story about Harry sounded unbelievable, so I checked the accuracy of its information.

(Bản tin về Harry nghe có vẻ khó tin nên tôi đã kiểm tra tính chính xác của thông tin.)

4. She did not use a reputable source for her report, so the information was not reliable.

(Cô ấy không sử dụng nguồn uy tín để báo cáo nên thông tin không đáng tin cậy.)

5. He double-checked the sources of the news, so his friends trusted him.

(Anh ấy đã kiểm tra kỹ các nguồn tin tức nên bạn bè đã tin tưởng anh ấy.)

Conditional type 3 (Câu điều kiện loại 3)

3. Fill in each gap with the verbs in the list. Use the third conditional.

(Điền vào chỗ trống với các động từ trong danh sách.)

• not switch • save • take • install • know

1. I would have bought it if I _____ it was a foldable car.

2. If the government _____ action on the energy crisis, we wouldn't have paid so much for electricity last year.

3. They would have sold the house at a higher price if they _____ solar panels.

4. If you had started using LED light bulbs last year, you _____ more money.

5. Last year, if our town _____ to green energy, we would not have enhanced the local living environment 

Conditional type 3 (Câu điều kiện loại 3)

3. Put the verbs in brackets into the correct forms of the third conditional.

(Chia động từ trong ngoặc ở dạng đúng của câu điều kiện loại 3.)

1. The country _____ (not/ need) to rely on fossil fuels so heavily last year if the government had invested in the green energy sector.

2. You would have paid much less for energy last year if you _____ (switch) to LED light bulbs.

3. If I _____ (have) time, I would have attended the green energy convention last weekend.

4. The soil here would have become polluted if local farmers _____ (not/stop) using so many chemicals.

5. We _____ (be) able to harness the sun's energy if we had purchased solar panels last summer. 

4. Write the second sentence so that it has the same meaning as the first one, using the word in brackets.

(Viết câu thứ hai sao cho giống nghĩa với câu thứ nhất, dùng từ trong ngoặc.)

1. The city didn't build a wind farm last year, so the population didn't have access to green energy. (HAD)

If _________________________.

2. There was pollution in the lake because the town didn't improve its waste water treatment plant. (WOULDN'T)

There _________________________.

3. You conserved electricity last month, and your energy bill was lower as a result. (HADN'T)

Your _________________________.

4. The power station produced so many emissions because it burned too much coal. (HAVE)

The _________________________.