Bài giảng Tiếng Anh Lớp 8 - Unit 15: Computers - Lesson 6: Language focus

 t tidied the room yet. 
* Concept check : Present perfect with “ Yet ” and “ Already ”. 
+ Use : 
“ Yet ” is used in questions and negative statements. 
 “ Already ” is used in affirmative statements. 
+ Positions : 
“ Yet ” is at the end of the sentence. 
 “ Already ” is between auxiliary “ have / has ” and “ past participle ”, or at the end of the sentence. 
Gap fill the dialogouge: 
Ba’s mother: Have you finished your homework yet ? 
Ba : Yes, ........................................., Mom. 
Ba’s mother: Good. What about your room ? Is it tidied now ? 
Ba : I’m sorry, Mom. ................................... 
Ba’s mother: Bad boy, Ba . And the washing machine! Have 
 turned it off yet ? 
Ba : Don’t worry, Mom. ............................................ 
Ba’s mother: Have you called and told Aunt Le to have lunch 
 with us today ? 
Ba : Yes, .................................................................. 
 and she said she would come. 
I have already finished it 
I haven’t tidied it yet. 
I have turned it off already 
 I have already called and told her to have 
 lunch with us 
Language focus 2 
* Ask and answer questions about the flight : 
DEPARTURES 
ARRIVALS 
To 
Los Angeles 
Manila 
Jakarta 
Kuala Lumpur 
Delhi 
Time 
Flight 
To 
Flight 
Time 
Status 
Status 
Arrived 
Arrived 
Arrived 
Departed 
Departed 
6.55 
7.10 
7.40 
7.50 
8.30 
VN 888 
PA 45 
GA 127 
MS 284 
AI 84 
VN 34 
CX 820 
AF 19 
TG 109 
GS 05 
Vientiane 
Hong Kong 
Paris 
Bangkok 
Singapore 
7.25 
7.45 
7.50 
7.55 
8.15 
Flight 
VN 34 
Vientiane 
7.25 
Departed 
To 
Time 
Status 
DEPARTURES 
ARRIVALS 
Flight 
To 
Time 
Status 
VN 888 
Los Angeles 
6.55 
* Model sentences : 
T : Has the flight to Vientiane departed yet ? 
S : Yes, it has already departed . 
T : Has the flight from Los Angeles arrived yet ? 
S : No, it hasn’t arrived yet . 
Language focus 2 
* Ask and answer questions about the flight : 
DEPARTURES 
ARRIVALS 
To 
Los Angeles 
Manila 
Jakarta 
Kuala Lumpur 
Delhi 
Time 
Flight 
To 
Flight 
Time 
Status 
Status 
Arrived 
Arrived 
Arrived 
Departed 
Departed 
6.55 
7.10 
7.40 
7.50 
8.30 
VN 888 
PA 45 
GA 127 
MS 284 
AI 84 
VN 34 
CX 820 
AF 19 
TG 109 
GS 05 
Vientiane 
Hong Kong 
Paris 
Bangkok 
Singapore 
7.25 
7.45 
7.50 
7.55 
8.15 
Language focus 3 
* Model sentences : 
T : T«i ®· tõng ® Õn cao nguyªn Sa Pa. 
S : I have been to Sa Pa highlands. 
T : Hä sèng ë Cµ Mau ®· ®­ îc 10 n¨m råi . 
S : They have lived in Ca Mau for 10 years. 
Finished action ( indefinite time ) 
Incomplete action ( for, since, recently, ... ) 
* Read the sentences. Check the correct column 
a. I have been to Sa Pa highlands. 
b. They have lived in Ca Mau for 10 years. 
c. She has finished her homework. 
d. He has worked with the computer since early morning . 
e. We have found the problems with the printer. 
f. Someone has unplugged the printer. 
g. People have received information through the Internet recently. 
Incomplete action 
Finished action 
√ 
√ 
√ 
√ 
√ 
√ 
√ 
Language focus 4 
* The difference between the present perfect and the past simple : 
+ Past simple : - finished action with definite time. 
+ Present perfect : - finished action with indefinite time. 
 - an action (not) taking place from the 
 past to the present. 
* Example : 
Lan lived in Hue in 2005 . 
Lan has lived in Hue since 2005 . 
* Complete the dialogues. Use the present perfect or the past of the verbs in brackets. 
Ba : .......... you .......... the film Jurassic Park yet ? ( see ) 
Nam: Yes, I have. 
Ba : When ....... you ........ it ? 
Nam: I ....... it three months ago. 
Have seen 
did see 
saw 
Loan: We ....................... a vacation since last year. 
Chi : Why not ? ( not have ) 
Loan: My parents ................... very busy since then. (be) 
haven’t had 
have been 
* Complete the dia