Unit3TheInternetDiscoveringusefulstructures课件高中英语人教版6

Unit3The

InternetGrammar高中英语LearningobjectivesAttheendof

theclass,you

willbe

able

to1.know

the

form,the

meaning

and

the

function

of

the

present

perfectpassivevoice2.talk

about

the

things

that

have

been

doneManystudentslikethis

movie.Thismovieisliked

by

manystudents.Mikefinishedhishomeworkontime.Hishomeworkwasfinishedontime.

We

will

hold

a

meeting

tomorrow.A

meetingwillbeheldtomorrow.Everyoneisexpectingthegoodnews.Thegoodnewsisbeingexpected.PassivevoiceActivevoiceThismovieislikedby

many

students.Hishomeworkwasfinishedontime.A

meetingwillbeheldtomorrow.Thegoodnewsisbeingexpected.高中英语Lookatthesentences

belowForms?Meanings?种类构成意义一般现在时被动语态am/is/are+done被做一般过去时被动语态was/were+done被做了一般将来时被动语态will+be+done将被做现在进行时被动语态am/is/are+being+done正在被做高中英语SummaryTheInternethas

greatlyimproved

Jan’s

life.Jan’slifehas

been

greatlyimprovedbytheInternet.Peoplehavewrittenmuchabout

the

wonders

of

the

World

Wide

Web.Much

hasbeenwrittenabout

the

wonders

of

the

World

Wide

Web.PassivevoiceActivevoice高中英语Howdoweformthepresentperfectpassivevoice?Fillintheblankbelow.have/has+

donehave/has+

been

+

doneVerbformPassiveActive现在完成时的被动语态形式have/has+been+don意义e已经被做了高中英语Understandtheunderlinedpartsandfillinthe

form

below1.

How

many

buildings

have

been

built

in

your

school?2.Have

the

lost

keys

been

found?3.The

date

has

not

been

decided

yet.现在完成时的被动语态肯定式have/has+been+

done否定式have/has+not+been+done一般疑问句式have/has+主语+been+done特殊疑问句式特殊疑问词+主语+have/has+been+done高中英语Theusageof

thepresentperfectpassivevoice1.表过去开始的动作

一

直持续到现在，

常连用的时间状语有：

for+时间段，

since+时间状语(从句)，

so

far,up

to

now等。如：1)This

class

has

been

taught

by

Mr.

Li

for

two

years.2)His

Chinese

has

been

improved

a

lot

since

he

came

to

China.2.表示某动作已经完成，

并对现在造成影响，

常与already,yet,ever,never等连用

。

如：1)The

bike

has

not

been

repaired

yet.2)I

have

already

been

introduced

to

Mr.

Li.高中英语高中英语ChangethesentencesintothepresentperfectpassivevoiceExample:They’vebuiltakindof

newPC.A

kindof

newPChasbeenbuilt.1.I

have

downloaded

the

software

to

help

my

phone

battery

last

longer.2.

Someone

has

lost

an

identity

card.3.Have

you

pressed

the

button

yet

to

copy

the

file?高中英语1.Ihavedownloadedthesoftwaretohelp

my

phone

battery

last

longer.Thesoftwarehasbeendownloadedtohelp

myphone

battery

last

longer.2.Someone

has

lost

an

identity

card.Anidentitycardhas

been

lost.3.Have

you

pressed

the

button

yet

to

copy

the

file?Has

the

button

been

pressed

yet

to

copy

the

file?高中英语Thinkand

Answer1

、Whatarethesimilaritiesanddifferencesbetween

the

present

perfecttenseandthepresentperfectpassivevoice?两者都表示动作已经完成，

并对现在造成影响或动作从过去开始持续到现在。现在完成时，

意为“已经做了

”，

主语是谓语动作的发出者现在完成时的被动语态，

意为“已经被做了

”

主语是谓语动作的承受者2

、When

can

we

use

the

present

perfect

passive

voice？当动作的执行者没必要说明，

不重要或者不清楚是谁时，

多用被动语态。高中英语Practice一

、

补全句子1.I

am

sorry,

but

the

letters

have

not

been

typed

out

yet.很抱歉，

这些信还没有被打印出来。2.The

plan

has

been

discussed

for

two

hours.这项计划已被讨论了近两个小时了。3.

She

has

not

been

mentioned

since

then.从那时起，

她就没被提起过。4.

Has

the

date

for

the

meeting

been

decided

?会议日期决定了吗？高中英语二

、

按要求改写句子Thestudentshavebeentold

the

great

news.1.

将原句变为否定句Thestudentshavenotbeentoldthegreatnews.2.

将原句变为

一般疑问句Have

the

students

been

told

the

great

news?3.

对原句中的the

students进行提问Who

have

been

told

the

great

news?WuhanattackNovelcoronavirusWuhanhasbeenattacked

by

novelcoronavirusformorethan

onemonth.高中英语三

、

根据所给图片及提示词，

用现在完成时的被动语态写句子Two

new

hospitals,buildTwonewhospitalshave

been

builtfor

the

patients.高中英语manydoctors

andnursessendWuhanManydoctorsand

nurses

fromothercitieshavebeen

sentto

helpWuhan.高中英语moreandmore

infected

peoplecureMoreandmore

infected

peoplehavebeen

cured.高中英语高中英语FreeTalkUsethepresentperfectpassivevoicetotalkaboutwhatyouhavedoneorhaven’t

donethisweek.Forexample:Thehousehasbeengivenagoodcleaning.Mydaughter’sbirthday

cakehasbeenordered,butthedecorationforthebirthdaypartyhasnotbeen

finished

…高中英语It

is

your

turnUsethepresentperfectpassivevoicetotalkaboutwhatyou

havedone

or

haven’t

done

this

week.Tell

as

many

things

as

you

can.高中英语Summary现在完成时的被动语态意义为：