Bài giảng Tiếng Anh 8 (Global Success) - Unit 7: Environmental protection. Lesson 3: A closer look 2

 LESSON 1: GETTING STARTED
 WARM-UP
 Asking questions
 PRESENTATION 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.
 PRACTICE 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.
 PRODUCTION Task 5: Matching game.
 • Wrap-up
CONSOLIDATION
 • Homework PRESENTATION
 Complex sentences with 
 adverb clauses of time
– 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
– 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 
1 or D.C if it is a dependent clause
 I.C 1. I’ll wait for you here until you get back.
D.C 2. Make sure you lock the door when you go out.
 I.C 3. You must get a permit before you build a 
 campfire at a national park.
D.C 4. Don’t use too much water while you are 
 having a shower.
D.C 5. As soon as my friends come, we will pick up 
 rubbish on the beach. PRACTICE
3 Match the clauses in the two columns to form complex sentences. PRACTICE
 4 Combine each pair of sentences, using the conjunction in brackets. 
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.
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. CONSOLIDATION
1 Wrap-up
What have we learnt in this lesson?
✓ use the Complex sentences with 
 adverb clauses of time;