There are different types of pollution.
Write each type under a picture:
a. radioactive
pollution
b. noise
pollution
c. visual
pollution
d. thermal
pollution
e. water
pollution
f. land/ soil
pollution
g. light
pollution
h. air
pollution

Look at these pictures and what do you think about?
Natural Disasters
UNIT:7.8,9
If + S + V (present simple),

Main clause
If-clause
I. Conditional sentence type 1
1.Form:
2. Using:
If the weather is beautiful, they will go on a picnic
S + will/can/could/ + V (bare_inf)
Câu điều kiện loại 1 dùng để chỉ hành động hay sự việc có thể xảy ra ở hiện tại hoặc tương lai
EX : If it rains, I will stay at home
I will stay at home if it rains.
II. Conditional sentence type 2
If she were a bird, she would be a dove.
If clause
Main clause
* Form:
If
+
S
+
V
(Past simple)
…,
S
+
would
/should/ could/ might
+
V (bare-inf)
* Using:
- Câu điều kiện loại 2 dùng để chỉ hành động hay sự việc không thể xảy ra ở hiện tại hoặc tương lai
- Có thể dùng để chỉ lời khuyên
Ex: If I were you, I would see the doctor immediately.
I would see the doctor immediately If I were you
GRAMMAR: Present tenses review

-Habits, repeated actions
- Facts. Timetable. Future activities.

S+ V(s/es)
Note: Ves

since/ for/
Once , twice , three times, yet, already, recently. just, so far, up to now…
Now, right now
At the moment
At present
It is 8.30
Today, this week
- Everyday/week...
Always, often, never...
Once week/ twice a month…

S+have/ has + V3/ed
S+ be+ V_ing
Note: V-ing

-Action starting in the past, continueing to the present
Action happening now
GRAMMAR

I. The passive voice: BE + PII
S + V(s/es) + O
 S+ is/am/are + V3/ed + (by + O)
1. The simple present tense
Ex c: She wrote a letter yesterday.
 A letter was written (by her) yesterday.
S + V2/ed + O
 S + was/were + V3/ed+ (by + O)
2. The simple past tense
Ex d: My parents have given me a new bike on my birthday.
 I have been given a new bike by my parents on my birthday.
S + have/ has + V3/ed + O
 S + have/ has + been + V3/ed + (by + O)
3.The present perfect
Ex e: She will do a lot of things tomorrow.
A lot of things will be done tomorrow.
S + will + V + O
 S + will + be + V3/ed + (by O)
4. The simple future
S + am /is / are going to + V + O
 S + am /is / are going to + be + V3/ed + O
5. The near future tense
PAST PERFECT TENSE
(+) S+ had + V3/ed
Ex: I had left when they came.
(-) S + had not( hadn’t) + V3/ed
Ex:: I hadn’t left when they came.
(?)
Had + S + V3/ed?
Short answers to Yes/No questions:
Yes, S + had
No, S + hadn’t
Ex: Had you left when they came?
Yes, I had/ No, I hadn’t
1. We use the past perfect to describe an action before a stated time in the past (để mô tả 1 hành động trước 1 thời điểm trong quá khứ với từ by + the time(trước)
Ex: People had managed to leave the flooded villages by 11 o’clock.
Ex2: She had done her homework before her mother asked her to do so
Ex3: They went home after they had gone out with their friends



4b. When do we use the past perfect? Can you think of any rules?
2. We use the past perfect to describe an action happened before another action in the past.(mô tả một hành động xảy ra trước 1 hành động khác trong quá khứ
Ex1: People had already left the flooded villages when rescue workers arrived.
Ex2:When I arrived John had gone away

Dấu hiệu
– when: Khi
She had done her homework before her mother asked her to do so.
When they arrived at the airport, her flight had taken off.
– After: sau khi (Trước “after” sử dụng thì quá khứ đơn và sau “after” sử dụng thì quá khứ hoàn thành.)
– before: trước khi (Trước “before” sử dụng thì quá khứ hoàn thành và sau “before” sử dụng thì quá khứ đơn.)
They went home after
– by the time (vào thời điểm)
He had cleaned the house by the time her mother came back.
Homework
1- Learn by heart the new words.
2- Do the exercises (Exercise notebook)

3- Prepare Review 3- Lesson 2.
1. Since / because + S + V
Because the water is polluted, the fish are dead.
Since the water is polluted, the fish are dead.
2. due to / because of + Nphrase
- The fish are dead because of the polluted water .
- The fish are dead due to the polluted water .
CAUSE
( Vì )
( Vì )
( nguyên nhân )
- The water is polluted, so the fish are dead.
1. so + S + V
EFFECT
2. to cause sth / to lead to sth / to result in sth
- The polluted water causes/ results in the death of the fish
3. to make sb / sth do sth
- The polluted water makes the fish die .
( hậu quả)