Unit 13 Tiếng Anh 12

I. Warm - up and check - up.
Answer the question:
What should / Would you do to protect our environment if it were polluted ?
protect our
environment
protect our
environment
I. Warm - up and check - up.
Forest
Stop killing wild animals
Rubbish
Plant trees
Stop cutting down trees
Reduce motorbikes/ Cars
Keep water resources clean
Programs about pollution
I. Warm - up and check - up.
What should / Would you do to protect our environment if it were polluted ?
The second conditional sentence
Untrue in the present or future
Main - clause
If - clause
II. NEW LESSON.
Exercise 1:( work in groups)
Say what would happen if
1) Bacteria stopped working.
2) Our environment were destroyed.
3) The forest did not exist.
4) All the animals vanished.
5) Our water resources were contaminated.
Exist / ig’zist / (Verb) = to have being: Tồn tại.
Ex:
Does life exist on Mars ?
Vanish / væni∫ / (Verb) = disappear
Contaminate / kən’tæmimeit / (Verb):Làm bẩn, làm ô nhiễm.
: Biến mất.
Say what would happen if
1) Bacteria stopped working.
If bacteria stopped working, all kinds of life on this planet would seem to come to an end.
2) Our environment were destroyed.
If our environment were destroyed, certainly our life would be affected.
3) The forest did not exist.
If the forest did not exist, all the earth would be flooded.
4) All the animals vanished.
If all the animals vanished, we would have no meat to eat.
5) Our water resources were contaminated.
If our water resources were contaminated, we would be affected/we would be short of clean water.
Exercise 1:( work in groups)
II. NEW LESSON.
Exercise 2:(work in pairs)
Complete the sentences:
1. If there were no open air space, ………
2. If forests were destroyed, ……….
3. If the earth temperature increased by 30C, ……………
4. If there were no land for farming, ……….
5. If there were no rain, …….
thiếu
Drought / draut / (n) = continuous dry weather: hạn hán
Famine / fæmin / (n)
Failure / feiljər / (n): sự thất bại
Ex:
Famine happened in our country in 1945.
: nạn đói
Complete the sentences:
1. If there were no open air space, ………
2. If forests were destroyed, ……….
3. If the earth temperature increased by 30C, ……………
4. If there were no land for farming, ……….
5. If there were no rain, …………….
If there were no open air space, we would not have enough oxygen to breathe/we would die.
If forests were destroyed, all the earth would be flooded/we would be affected.
If the earth temperature increased by 30 C, some kinds of plants and animals would die.
If there were no land for farming, famine would happen/man would die of famine /we would be short of food.
If there were no rain, drought would happen/the crops would be ruined (failures)/we would be lack of food/the food price would increase.
Exercise 2:(work in pairs)
II. NEW LESSON.
Exercise 3 : (work individually)
Match sentences in column A with those in column B
iII. Consolidation.
If I were you, I would learn very hard.
 If I learned very hard, …………
Complete the sentences by changing main clause into IF-clause.
Ex:
iv. Homework.
Make one sentence with the first conditional sentence then change it into the second and the third conditional sentence.
1.If I have free time, I will come to see you.
2. If I had free time, I would come to see you.
3. If I had had free time, I would have come to see you.
Ex: