外研版英語八年級（下）Module3Unit3教學(xué)課件

Module3JourneytospaceUnit3Languageinuse外研·八年級下冊Scientistshavesent

spaceshiptoMars.Thejourneyhastaken

severalmonths.ReviewAstronautshavealreadybeento

themoon.Noonehasbeento

Marsyet,becauseMarsisveryfaraway,muchfartherthanthemoon.Scientistshave

alsodiscoveredmanyothergalaxiesintheuniverse.LanguagepracticeI’vejustmadeamodelspaceship.Hasitarrivedyet?Astronautshavealreadybeentothemoon.Wehavenotfoundlifeonanyotherplanetsyet.現(xiàn)在完成時現(xiàn)在完成時（二）1.用法：1)表示發(fā)生在過去的動作，對現(xiàn)在造成的影響或

產(chǎn)生的結(jié)果，不與表示過去的時間狀語連用。Ihavecleanedtheroom.

（房間是我在過去打掃的，現(xiàn)在仍是干凈的。）2)常與already，yet，never，ever，just等副詞

連用。①already意為“已經(jīng)”，通常用于肯定句中，可

放在助動詞之后，過去分詞之前，也可以放在

句末。I’vealreadyreadthisbook.②yet用在疑問句中，意為“已經(jīng)”；用在否定句

中，意為“還”。yet常放在句末?！狧ashefoundhiswatchyet?—No,notyet.③just意為“剛剛”，表示動作剛剛發(fā)生，常放在

助動詞與過去分詞之間。Hehasjustcomebackfromschool.④ever意為“曾經(jīng)”，用于疑問句或否定句中，

放在助動詞與過去分詞之間。HaveyoueverbeentoHongKong?⑤never意為“從來沒有”，常與before連用。Ihavenevertravelledbyplanebefore.3)不能與表示過去的時間狀語如yesterday,twodaysago等連用，但可以和表示從過去某一時刻

延續(xù)到現(xiàn)在（包括“現(xiàn)在”在內(nèi)）的時間狀語連

用，如today,before,thismorning,thesedays,

sofar,inrecentyears等。Ihavewrittentwolettersthismorning.2.現(xiàn)在完成時與一般過去時的區(qū)別:1)現(xiàn)在完成時：表示過去發(fā)生的動作對現(xiàn)在造成了

影響或產(chǎn)生了結(jié)果，不與確定的表示過去的時間

狀語連用。Jillhasboughtanewcomputer.

（著重點是現(xiàn)在有了一臺新電腦）2)一般過去時：表示過去某個時間發(fā)生的事情、存

在的狀態(tài)或發(fā)生的動作。側(cè)重點在于陳述一件過

去的事情，不強(qiáng)調(diào)對現(xiàn)在產(chǎn)生的影響。HevisitedGuilinin2008.

（只說明去桂林的時間）3.havebeento，havegoneto和havebeenin的區(qū)別:havebeentohavegonetohavebeenin去過（已回來）去了（未回）“待在”常常和表示持續(xù)意義的時間狀語連用。IhavebeentoBeijing.ShehasgonetoShanghai.IhavebeeninWuhanforfiveyears.Completethenewswithalready,justandyet.1SpaceshiponMars!Astronautshave(1)_______beentothemoonbuttheyhavenotbeentoanyotherplanets.However,aspaceshiphas(2)_____arrivedonMarsandithas(3)_______sentbackphotosoftheredplanets.IstherelifeonMars?Wedonotknow(4)____.alreadyjustalreadyyetLookatthesesentences.2ThespaceshiphasgonetoMars.Ithasgonethere,butithasnotcomebackyet.Astronautshavebeentothemoon.Theywentthereandthentheycameback.Nowchoosethecorrectanswer.1.Astronautshave

been/gonetothemoonandreturned.2.Thespaceshiphas

been/goneintospace.Itwilltravelfortendays.3.Theastronauthas

been/gonetothespacestation.Hewillcomebacktomorrow.4.Thespaceshiphas

been/gonetothespacestation.Itbroughtbacktwoastronauts.Completethesentenceswiththeexpressionsinthebox.3have/hasbeenhave/hasgone1.Aspaceship________toMars.Itiscomingbacktotheearthnextyear.2.Lotsofastronauts__________tothespacestation.Theyfounditveryinteresting.hasgonehavebeen3.Someastronauts_________tothemoontwice.4.TwoBritishastronauts__________tothespacestation.TheywillcomebackinJanuary.havebeenhavegonehave/hasbeenhave/hasgoneCompletetheconversationwiththecorrectformoftheverbsinbrackets.4Nicky:I’vejust(1)__________(watch)agreatTVprogrammeaboutspace.Didyouknowthatscientistshave(2)__________(discover)wateronMars?Bill:Yes,Idid.Andscientists(3)_________(try)tofindlifeonMarsnow.watcheddiscoveredaretryingNicky:Yes,they’relookingforlifebutthey_____________(notfind)anythingyet.

Bill:ThereweresomenewphotosofMarsinthenewspapertoday.(5)______you_____(see)themyet?Nicky:Yes.They’reamazing!havenotfoundHaveseenWorkinpairs.Role–playtheconversationinActivity4.5I’vejustwatchedagreatTVprogrammeaboutspace.Didyou...?Yes,Idid.Andscientists…...…Completetheemailwiththewordsinthebox.6beenjustmetneverreadwrittenyetFROM:LiuDanTO:LiFangSUBJECT:I’vefoundagreatbook.DearLiFang,I’ve(1)________finishedreadingagreatbookatschool.Ihaven’t(2)________anythingasgoodasthatforalongtime!It’sastoryaboutthesolarsystem.Inthebook,thewriterimaginesthatastronautshave(3)_______toMars.I’ve(4)________thoughtaboutthatbeforeandIthinkit’sveryinteresting.justreadneverbeen

Ihaven’t(5)_______anyonefamousinmylifebutIhopeonedayIcanmeetanastronaut.I’ve(6)_______toaChineseastronautformoreinformationaboutspaceandhisexperienceofspacetravel.Ihopehewillwriteback.Hehasn’t(7)_______.Maybeheistoobusy.I’mstillwaiting.Bestwishes,LiuDanmetwrittenyet

Listenandcompletethenotes.71.TheastronautjoinedCNSA_________yearsago.2.Hehasflowninaspaceship________times.3.Hefelt__________whenhewasinthespaceship.sixtwoexcited4.Hehasbeentothespacestation_________.5.Theearthwasblueandvery__________whenhesawitfromthespacestation.6.Hedecidedtobeanastronautbecausehehasalwaysbeen__________inspace.twice

beautifulinterestedTapescriptsInterviewer:

Today’s

programmeisabout

space

travel.

I’m

talking

to

an

astronaut

fromCNSA.

Hello,

we’re

interested

to

hearabout

your

experiences

in

space.

Whendid

you

join

CNSA?

Astronaut:

Six

years

ago.Interviewer:

And

how

many

times

have

you

flown

ina

spaceship?

Astronaut:

Two

times.

Interviewer:

How

did

you

feel

when

you

were

in

thespaceship?Astronaut:

I

enjoyed

it.

It

was

very

exciting.

Interviewer:

Have

you

worked

on

the

space

station?

Astronaut:

Yes,I

have.

I’ve

already

been

theretwice.Interviewer:

Have

you

seen

the

earth

from

the

spacestation?

Astronaut:

Yes,

I

have.

It’s

very

blue,and

verybeautiful.

Interviewer:

How

wonderful!

How

did

you

feel

whenyou

saw

it?Astronaut:I

was

so

happy.

I

wanted

to

cry.Interviewer:

I’m

sure.

Tell

me,

why

did

you

decide

tobecome

an

astronaut?

Astronaut:

I’ve

always

been

interested

in

space.

It’sso

exciting!

Interviewer:

Do

youthink

there’s

lifeon

otherplanets?

Astronaut:

Yes,

I

do.

The

universe

is

so

big.

Thereare

So

many

galaxies,

and

so

many

solarsystems.Interviewer:

But

we

haven’t

found

anything

yet.

Astronaut:

We’ve

only

just

begun

to

look.

Give

ustime!

Interviewer:

(laughing)

Anotherhundredyears

maybe?

Well,

thank

you

for

talking

to

us.It’s

been

great

to

talk

to

you.

Astronaut:

Thank

you.Completethewordmapwiththewordsandexpressionsinthebox.8astronautMarsspaceshipspacestationtheearththemoonthesunsolarsystemMarstheearththemoonthesunSPACEspacetravelastronautspaceshipspacestation________________________________________________________________________________________________________________________________________________________________Nowaddmorewordsaboutspacetothewordmapandwritefivesentences.We’vejustreadastoryaboutaspacestationnearthesun.Astronautshaven’tbeentothesun,becauseit’stoohot.__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Spaceshipsaretravellinginoursolarsystematthemoment.Iaminterestedinspaceandthestarsandplantsinourgalaxy.IthinkscientistswillsendastronautstoMarsoneday.Completethepassagewiththecorrectformofthewordsinthebox.9astronautdiscovermoonnewsreachspaceshipyetInJuly1969,NeilArmstrongbecamethefirst(1)_________towalkonthe(2)_______.Peopleallaroundtheworldwatchedtheir

astronautmoon

televisionsandwaitedforthe(3)_______to(4)________theearth.Wehavenow(5)__________alotmoreaboutoursolarsystem,andwehavesent(6)__________toMars,butnoonehaswalkedonthatplanet(7)________.ButIbelieveonedaysomeonewill!newsreachdiscoveredspaceshipsyet

astronautdiscovermoonnewsreachspaceshipy