Unit 15. Computers. Lesson 6. Language Focus

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* The form of the present perfect tense:

<b>(+) S + have / has + past participle</b>

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<b>- Tidy the room.</b>

<b>- Do homework.</b>

<b>- Turn off the washing machine.</b>

<b>- Call and tell Aunt Le to have lunch.</b>

<b>( already )</b>

<b>( already )</b>

<b> </b>

<b>( already )</b>
<b>( not yet )</b>

* Model sentences:

T : Has Ba done his homework

yet

?

S : Yes, he has

already

done his homework.

T : Has Ba tidied the room

yet

?

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T : Has Ba done his homework

yet

?

S : Yes, he has

already

done his homework.

T : Has Ba tidied the room

yet

?

S : No, he hasn’ 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.

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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

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* Ask and answer questions about the flight:
<b>To</b>
<b>Los Angeles</b>
<b>Manila</b>
<b>Jakarta</b>
<b>Kuala Lumpur</b>
<b>Delhi</b>
<b>Time</b>
<b>Flight</b>
<b>To</b>

<b>Flight</b> <b>Time</b> <b>Status</b>

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<b>Flight</b>

<b>VN 34</b> <b>Vientiane</b> <b>7.25</b> <b>Departed</b>

<b>To</b> <b>Time</b> <b>Status</b>

<b>Flight</b> <b>To</b> <b>Time</b> <b>Status</b>

<b>VN 888</b> <b>Los Angeles</b> <b>6.55</b>

* Model sentences:

T : Has the flight to Vientiane departed

yet

?

S : Yes, it has

already

departed.

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* Ask and answer questions about the flight:
<b>To</b>
<b>Los Angeles</b>
<b>Manila</b>
<b>Jakarta</b>
<b>Kuala Lumpur</b>
<b>Delhi</b>
<b>Time</b>
<b>Flight</b>
<b>To</b>

<b>Flight</b> <b>Time</b> <b>Status</b>

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<i><b>* Model sentences:</b></i>

T : Tôi đã từng đến cao nguyên Sa Pa.

S : I have been to Sa Pa highlands.

T : Họ sống ở Cà Mau đã đ ợc 10 năm rồi.

S : They have lived in Ca Mau for 10 years.

Finished action ( indefinite time )

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<i><b>* Read the sentences. </b></i>

<i><b>Check the correct column</b></i>

<b>a. I have been to Sa Pa highlands.</b>

<b>b. They have lived in Ca Mau for 10 years.</b>

<b>c. She has finished her homework.</b>

<b>d. He has worked with the computer since early </b>
<b>morning.</b>

<b>e. We have found the problems with the printer.</b>
<b>f. Someone has unplugged the printer.</b>

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<b>* The difference between the present perfect and the </b>

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.}

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* 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

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* Complete the dialogues. Use the present perfect or the
past of the verbs in brackets.

Nga : ... you ... the new about Nam ? ( hear )
Mai : No. What ... ?

( happen )

Nga : He ... an accident. He was jogging. He suddenly
... and ... his. ( have, fall,

break )

Have heard

Sung: ... the plane ... yet ? ( arrive )
Clerk: Yes, it ...

Sung: When ... it ... ?

Clerk: It ... at the airport two hours ago.ss
Have arrived

did arrived
had

fell _broke

has
arrived

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<i><b>- Learn today’s lesson by heart.</b></i>

-

<i><b>Redo Language focus 1,2,3 and 4.</b></i>

<i><b>- Prepare Unit 16: Getting started </b></i>

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