Bài giảng Tiếng Anh Lớp 8 Global success - Period 57, Unit 7: Environmental protection. Lesson 3: A closer look 2

P57 LESSON 3: A CLOSER LOOK 2 
Unit 
ENVIRONMENTAL PROTECTION 
1 
7 
WARM-UP 
PRESENTATION 
PRACTICE 
PRODUCTION 
Asking questions 
Introduction of complex sentences with adverb clauses of time 
Task 1: Read the sentences and write I.C if the underlined clause is an independent clause or D.C if it is a dependent clause. 
Task 2: Choose A, B, or C to complete each sentence. 
Task 3. Match the clauses in the two columns to form complex sentences. 
Task 4: Combine each pair of sentences, using the conjunction in brackets. 
CONSOLIDATION 
Wrap-up 
Homework 
Task 5: Matching game. 
LESSON 3: A CLOSER LOOK 2 
WARM-UP 
ADVERB CLAUSES OF TIME 
1. I always take a bath before I go to bed. 
2. Will you wait here until I am ready? 
3. I was not at home when he came to see me. 
4. Do not disturb me when I am busy with my work. 
5. As soon as she finished that project, she started working on the next. 
6. After I have finished my work, I will accompany you to the park. 
Complex sentences with adverb clauses of time 
PRESENTATION 
– A complex sentence contains one independent clause and at least one dependent clause. 
Example: 
The roads were slippery 	 when it rained. 
independent clause 	 dependent clause 
Complex sentences with adverb clauses of time 
PRESENTATION 
– An adverb clause is a dependent clause. 
– An adverb clause of time shows when something happens. It is usually introduced by time connectors: before, after, when, while, till / until, as soon as , 
PRESENTATION 
Read the sentences and write I.C if the underlined clause is an independent clause or D.C if it is a dependent clause 
1 
1. I’ll wait for you here until you get back. 
 2. Make sure you lock the door when you go out. 
 3. You must get a permit before you build a campfire at a national park. 
I.C 
D.C 
I. C 
PRESENTATION 
Read the sentences and write I.C if the underlined clause is an independent clause or D.C if it is a dependent clause 
1 
4. Don’t use too much water while you are having a shower. 
 5. As soon as my friends come, we will pick up rubbish on the beach. 
D. C 
D. C 
Choose A, B, or C to complete each sentence. 
2 
1. I was not at home ______ he came to see me yesterday. A. when B. until C. as soon as 
 2. We called the forest guard unit ______ we saw the bush fire. A. as soon as B. while C. until 
 3. I went straight to the gym ______ I left home. A. while B. before C. after 
PRACTICE 
Choose A, B, or C to complete each sentence. 
2 
4. You can stay with us ______ you find a suitable place to stay. A. as soon as B. before C. until 
 5. We cleaned up everything at the campsite ______ we left. A. until B. before C. while 
PRACTICE 
Match the clauses in the two columns to form complex sentences. 
3 
PRACTICE 
1. I arrive at the station. I will call you right after. (as soon as) 
2. Many Vietnamese women wear conical hats. They work in the field. (when) 
Combine each pair of sentences, using the conjunction in brackets. 
4 
PRACTICE 
I will call you as soon as I arrive at the station. 
As soon as I arrive at the station, I will call you. 
Many Vietnamese women wear conical hats when they work in the field. 
Combine each pair of sentences, using the conjunction in brackets. 
4 
PRACTICE 
3. My father taught me how to use the computer. Then he bought one for me. (before) 
My father taught me how to use the computer before he bought one for me. 
Before my father bought me a computer, he taught me how to use it. 
Combine each pair of sentences, using the conjunction in brackets. 
4 
PRACTICE 
4. Nick is reading a novel. Jack is reading a cartoon. (while) 
Nick is reading a novel while Jack is reading a cartoon. 
While Nick is reading a novel, Jack is reading a cartoon. 
Combine each pair of sentences, using the conjunction in brackets. 
4 
PRACTICE 
5. The tornado hit. There were only a few houses left standing. (after) 
After the tornado hit, there were only a few houses left standing. 
There were only a few houses left standing after the tornado hit. 
Remember 
Sử dụng thì trong câu phức ( complex sentence) 
+ Present simple + before / after + present simple. 
+ Past simple + before / after + past simple. 
+ Present simple + while + present continuous (is/ am/ are + Ving) 
+ Present simple + as soon as + future simple. 
+ Past simple + as soon as + Past simple. 
+ Present simple + as soon as + present simple. 
Remember 
+ F uture simple + when + present simple. 
+ Past simple + when + past simple. 
+ P resent simple + when + present simple. 
+ F uture simple + till/ until + Present simple. 
Matching game: 
5 
PRODUCTION 
Group B: write adverb clauses of time 
Work in two groups, A and B. 
Group A:write main clauses 
Wrap-up 
1 
CONSOLIDATION 
What have we learnt in this lesson? 
use the Complex sentences with adverb clauses of time; 
Homework 
2 
CONSOLIDATION 
Do exercises in the workbook. 
Prepare for the next . 
Learn new words by heart. 
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