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Unit3The
InternetDiscoveringUsefulStructuresTalkaboutsomethingthathasbeendoneLearningobjectivesIn
this
class,you
will1.identify
and
summarize
the
form
and
the
functions
of
thepresent
perfect
passive
voice;2.compare
the
present
perfect
passive
voice
with
the
active,and
change
the
active
form
into
the
passive
form;3.apply
the
present
perfect
passive
voice
to
interpret
thenewspaper
headlines
and
create
a
poem.HowhastheInternetchanged
ourlives?THEINTERNETA
一
国STRONGER
TOGETHER:HOWWE
HAVE
BEEN
CHANGEDBY
THE
INTERNETMuch
has
been
written
about
the
wonders
of
the
World
Wide
Web.There
are
countlessarticles
telling
us
how
the
Internet
has
made
our
lives
more
convenient.We
no
longer
haveto
wait
in
line
or
carry
cash
around
when
we
go
shopping.We
can
get
the
most
updatedinformation
from
large
databases.We
can
download
software,documents,and
imageswhenever
we
need
them.But
the
Internet
has
done
much
more
for
people
than
simplymake
life
more
convenient.People's
lives
have
been
changed
byonline
communities
andsocial
networks.Read
thepairs
ofsentences.Underline
and
comparethedifferentverbforms.Jan'slifehasbeengreatly
improvedbythe
Internet.TheInternethasgreatly
improved
Jan's
life.PresentationMuch
has
been
written
about
the
wonders
of
theWorldWideWeb.People
have
written
much
about
the
wonders
of
theWorldWideWeb.现在完成时：have/has+V-ed现在完成时被动语态：have/has
+be
en+V-edSTRONGER
TOGETHER:HOw
WE
HAVE
BEEN
CHANGEDBYTHE
INTERNETMuchhasbeenwrittenaboutthe
wanders
ofthe
Warld
Wide
Web.There
are
countlessartieles
telling
ushow
the
Inlernet
hasmadeour
liws
mare
comenient.We
na
langer
haveta
wait
in
line
orcarry
cash
around
when
we
go
shapping.We
can
get
the
mast
updatedinfarmatianframlargedatabases.We
candawnload
saftware,documents,andimageswhenever
we
need
them.But
the
Internet
has
dane
much
more
for
peopte
than
simplmake
lite
mare
canwenient.People's
lires
hae
been
changed
byonline
communities
and
sodalnetworks.JanTehamani,an
Englishteacher
inBirmingham,UK.suddentydevelaped
a
seriouslnes
andhad
toquit
her
job.Aage
50,she
found
herself
out
of
work
and
stuck
at
hamewithanly
hercarmputerta
keep
hercmpany.
After
awhile,shediscovered
that
surfing
the
Internet
could
hdp
her
feel
lesslonely
and
bared.She
could
Listen
to
music,watch
films.play
games,and
explore
the
world.She
alsojoined
ananline
group
where
she
could
talkabout
her
probems
and
get
support
and
advice
framathers.She
realised
that
ane
afthegreatest
benefitsof
theInternet
wasitsabiliy
to
remowe
the
distance
that
usuallyessts
betweenpeaple.She
was
so
inspired
by
the
people
she
met
online
that
she
decided
to
start
an
IT
dubto
teach
olderpeople
how
to
use
compu
ters
and
the
nternet.She
and
her
friends
noworganise
events
and
calleet
meney
ta
pay
far
private
teachers.Many
peaple
have
beenhelpedbythedub.A59-year-oldmanlearnthowtoapplytorwarkanlineandfounda
great
jab.Naw
that
he
warks
and
can
take
eare
af
himself,his
daughter
has
time
tastudy
at
unhersity.A61-year-dld
wamān
whōwas
liring
alane
has
started
a
small
onineompanytagetherwithtwofriends.Sheno
langerfeels
lonely.and
her
company
hasbeeamequitesuccessluLJan
has
started
takinganline
dassestoleammare
about
how
to
use
the
Irternet
lo
makesodiety
better.She
believesthat
it
is
highly
impartantto
bridgethe
digital
divideand
makesure
that
everyone
has
acces5.o
the
Internet
and
knowshaw
to
ise
new
techndlogy
Hernext
gaal
isto
start
acharity
website
taraisemoney
for
childrenin
paar
countries.Jan's
lite
has
been
greaty
improved
by
the
Internet."When
you
go
through
tough
times.you
meetatherswho
are
fadng
similar
challenges,"Jan
says."Thinkingabout
atherpeple's
situa
lians
ins
piredme
toaffer
help.Underlinemoresentences
in
thesameusage.She
was
so
inspired
by
the
people
she
met
online
that
she
decided
to
start
an
IT
club
to
teach
older
people
how
to
use
computers
and
the
Internet.She
and
herfriends
now
orqanise
events
and
collect
money
to
pay
for
private
teachers.Many
people
have
been
helpedbytheclub.A59-year-oldmanlearnthow
to
apply
for
work
online
and
found
a
great
job.Now
that
he
works
and
can
take
care
of
himself,his
daughter
has
time
tostudyat
university.A61-year-oldwomanwhowas
livingalone
hasstartedasmall
online
company
together
with
two
friends.She
no
longer
feels
lonely,and
her
company
has
becomequitesuccessful.Jan's
life
has
beengreatlyyou
meet
others
who
arepeople'ssituationsinspired
me
to
offer
help."improved
by
the
Internet."Whenfacing
similar
challenges,"Jan
p9yougothrough
tough
times,says."Thinking
about
other09Changethesentencesintothe
present
perfect
passivevoice.1.I
have
downloaded
the
software
to
help
my
phonebattery
last
longer.Thesoftware
has
been
downloadedto
help
myphonebattery
lastlonger.Practice2.Someone
has
lost
an
identity
card.Anidentitycardhasbeenlost.3.Have
you
confirmed
the
Wi-Fipassword?Hasthe
Wi-Fi
passwordbeenconfirmed?4.Haveyoupressedthe
button
yet
to
copy
the
file?→
Has
the
button
been
pressed
yet
to
copy
the
file?5.Has
anyone
made
a
comment
about
the
onlinedatabase?→Hasalanycommentbeenmadeabout
the
onlinedatabase?Lookatthewayyour
face
has
been
washedLookattheway
your
teeth
have
been
brushed
Lookatthewayyourshoes
have
been
cleaned
You'd
betterdothem
again.Lookatthewaythe
flowers
have
been
planted
Lookattheway
the
grass
has
been
cutLookattheway
the
paths
have
been
swept
I
hope
that
you'l
come
here
again.ProductionReadthepoem.Writea
similarpoem.1.Think
about
a
subject.2.List
some
actions/verbs
connected
to
that
subject.3.Write
a
sentencewiththepresent
perfect
passivevoice.4.Followthe
samepattern
or
even
c
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