Conditionals types 1 and 2 (Câu điều kiện loại 1 và 2)

1. Choose the correct option. (Chọn đáp án đúng.)

1. Would you join an environmental group if you have/if you had some free time?

2. We'd surely save/’ll surely save a lot of money if we use these light bulbs.

3. If I were you, I'll have/I'd have solar panels installed in the house.

4. If they switch to solar power next month, I'm sure they will save/would save on their electricity bills.

5. Would/Will our economy be boosted if we were less dependent on fossil fuels?

6. The climate crisis won't get any better if/ unless we use renewable energy sources. 

2. Choose the option (A, B, C or D) to indicate the underlined part that needs correction.

(Chọn A, B, C hoặc D để chỉ ra phần gạch chân cần được sửa.)

1 If (A) I were you, I will (B) have solar panels installed (C) on (D) the house roof.

2 If (A) we use (B) more fossil fuels, we will (C) have few emissions (D).

3. Your carbon footprint would (A) be (B) smaller if you (C) switch to (D) solar power.

4. Would your dad switch (A) to the (B) electric car if he can (C) afford (D) one?

5. The coal-fired power plant will be (A) closed if (B) a tidal power plant were (C) built (D) near our town. 

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 

4. Choose the correct option. (Chọn đáp án đúng.)

1. If Cathy has some free time at the weekend, she _____ a seminar on geothermal power.

A. would attend          B. will attend              C. attends                    D. would have attended

2. I _____this car if I had known it caused so much pollution.

A. would have bought                                     B. wouldn't buy

C. wouldn't have bought                                 D. would buy

3. If I were a city planner, I _____ green energy technology here.

A. would use               B. will use                   C. used                        D. use

4. Unless they _____ solar panels to be economical in the long run, we wouldn't have decided to use them in our area.

A. hadn't proved         B. had proved              C. didn't prove            D. proved

5. If we _____ in tidal energy in this area, we would reduce our dependence on fossil fuels.

A. invested                  B. invest                      C. had invested           D. would invest