Unit

6Whenwas

it

invented?SelfCheck一般過去時(shí)被動(dòng)語態(tài)一般過去時(shí)的被動(dòng)語態(tài)表示過去某一時(shí)刻發(fā)生的被動(dòng)性動(dòng)作，其基本結(jié)構(gòu)為：主語+

was/were+

過去分詞+

by.The

teacherwasvisited

by

them

two

yearsago.他們兩年前看過這位老師。主動(dòng)變被動(dòng)解題步驟：1.找賓語----即動(dòng)作的承受者2.判斷賓語的單復(fù)數(shù)----即be動(dòng)詞的單復(fù)數(shù)3.判斷動(dòng)詞的時(shí)態(tài)----即be動(dòng)詞的時(shí)態(tài)4.修改謂語的時(shí)態(tài)----即原句動(dòng)詞改為過去5.

修改原句的主語----即by+主語/賓語1.Tom

broke

the

window.Thewindowwasbrokenby

Tom.2.He

broke

the

windows.The

windows

were

broken

by

him.be要隨著主語變邏輯主語by來引被動(dòng)語態(tài)的大體構(gòu)成：be+P.P.

(過去分詞)主動(dòng)語態(tài)變被動(dòng)之歌：被動(dòng)語態(tài)強(qiáng)調(diào)賓，be后加上過去分。

be要隨著主語變，人稱時(shí)態(tài)要弄準(zhǔn)。

行為對(duì)象作主語，

邏輯主語by來引。Lookand

sayHe

bought

somefruitsyesterday.Somefruitswerebought

(by

him)yesterday.Herodethemotorbiketo

his

factorylastnight.Themotorbikewasridden

to

hisfactory

(by

him)last

night.Wemade

thesnowmanthismorning.Thesnowman

wasmadeby

usthismorning.Complete

the

passage

with

thecorrect

form

of

the

words

inthebox.invent

doubt

mentionnearbywebsiteall

ofa

sudden工inventdoubt

mentionnearlywebsite

all

ofa

suddenItisoftendifficult

to

decide

on

theinventorofcertaininventions.This

isbecausesomitveetsa

few

people

magarly

thingswhicharethesame.It's

hard

totellwhocameupwiththe

idea

first.大家應(yīng)該也有點(diǎn)累了，稍作休息大家有疑問的，可以詢問和交流inventdoubt

mentionnearlywebsite

all

ofa

suddenSomeinventionscanalsolead

to

otherialeftaosisdden

doSdtomepeople

whether

the

inventorcameupwiththeideahimselforherself.

Theythinkthattheinventorusedsvahsites

else'sicbeatitmcreate

his

or

herinvention.Thatiswhy

books

or__usually

morethanoneinventorwhengivinginformationabout

inventions.2

Rewrite

these

sentences

using

thepassive

voice.1.Someone

stole

my

watch.My

watch

was

stolen(by

someone).2.They

used

five

eggs

to

make

this

big

cake.Five

eggs

were

used

to

make

thisbig

cake.3.When

did

they

invent

the

personalcomputer?Whenwasthe

personal

computerinvented?4.They

asked

us

not

to

run

in

the

hallway.We

were

asked

not

to

run

in

the

hallway.5.Someone

took

the

video

back

to

the

store.Thevideo

was

taken

back

to

thestore

(by

someone).Findoutinformationaboutaninvention

you

would

like

to

know

moreaboutandwritesentencesbelow.Invention:When:Who:Purpose:3switchplug(斷路插頭)

2012年，富超穎(中國(guó))Scooter

carriage(滑板嬰兒車)2007年，ValentinVodev(奧地利)Fillin

the

blanks

with

the

correct

form

ofthe

given

verbs.1.Thefirstpapeasmade_

_(make)inChinain

105AD.was

limited2.For

over

500

years

the

art

ofmaking

paper(limitasoiChinauced3.In610,papermaking

(introduekniontonJapan.4.Kites

(know)inChina

about5.Wheelbarroweseinvented

(invent)

intheHanDynasty.6.Gunpowdorasdiscovered(discover)by

the

Chinese

hundreds

ofyearsagsdeveloped7.Soccer

_

(develop)inEnglandinthe

12thcentury.按要求改寫下列各句。1.We

planted

these

trees

in

1997.(改成被動(dòng)語態(tài))These

trees

were

planted

(by

us)in

1997.2.He

made

a

cake

yesterday.(改成被動(dòng)語態(tài))A

cake

was

made

by

him

yesterday.3.The

teacher

gave

the

students

some

advice.(

改成被云動(dòng)力語態(tài)Some

advicewas

giventothe

students

by

theteacher.4,Hewas

seen

to

read

a.book

in

his

room.

(用I作Sawnimreada

D00K

1n

nSrO0m.主

語

，

改

為

主

動(dòng)

語

態(tài)

)-Was

she

helped

by

all

the

people?hn根根據(jù)蘇吏記教示紙是蔡論發(fā)明的。

history,paper

bAceardingto

was

invented2.大約三千年前風(fēng)箏