初中九年级英语课件一般现在时的被动语态

课题：一般现在时的被动语态难点名称：能正确使用一般现在时的被动语态九年级-全一册-Unit5参赛教师：甘露时间：2020年8月16日目录CONTENTS导入知识讲解课堂练习小结1.你的衬衫是棉的吗？____yourshirts_________cotton?2.茶是如何制成的？How_____tea__________?3.茶树种植在山坡上。当茶叶长成后,它们被手工采摘下来，然后送去加工。Teaplants__________onthesidesofthemountains.Whentheleavesareready,

they__________byhandandthen_________forprocessing.AremadeofReviewisproducedaregrownarepicked

aresent

导入被动语态当主语为动作的发出者时,谓语的形式为主动语态;当主语为动作的承受者时,谓语要用被动语态。Passivevoice

Candy

planted

thetree.Thetree

wasplanted

byCandy.动作发出者承受者动作发出者承受者主动语态被动语态由“助动词be+及物动词的过去分词”构成。有时态、人称和数的变化,其变化规则与be作为连系动词时完全一样。知识讲解难点突破主动语态变为被动语态的方法第一步:将主动语态的宾语改为被动语态的主语(代词要用主格)；第二步:将主动语态的谓语改为“be+及物动词的过去分词”结构；第三步:将主动语态的主语改为介词by的宾语,放在谓语之后(有时可省略)。第四步:将句子其它成分照抄下来。They(主语）grow(谓语）tea(宾语）inthesoutheastofChina.被动语态:bythem

Tea(主语）isgrown(谓语）inthesoutheastofChina.知识讲解难点突破Peopleplayfootballallovertheworld.2.TheoldmanonTVtellsastoryonSunday.3.Studentslistentothekindteachercarefully.allovertheworld.AstoryistoldbytheoldmanonTVonSunday.Thekindteacherislistenedtobystudentscarefully.WritethesentencesusingpassivevoiceFootball

isplayedbypeople课堂练习难点巩固

❤主动语态变为被动语态的注意事项：

含有双宾语，即直接宾语(常指事物)和间接宾语(常指人)的句子，每个宾语都可变为被动语态的主语，即其被动语态有两种形式，但多以间接宾语作主语。

Jacktells

us

thetruth.

WearetoldthetruthbyJack.

Thetruth

istold(to)usbyJack.

Momgivesmesomemoney.I

somemoneybymymom.Somemoney

tomebymymom.amgivenisgiven知识讲解难点突破1).不知道谁是动作的发出者或没有必要知道谁是动作的执行者时。Thehouseisquiteold.Itwasbuiltin1950.

这座房子太旧了，它是1950年建的。

2).需要强调动作的对象即宾语。Calculatorcan'tbeusedinthemathexam.计算器不能用于数学考试。3).有时为了礼貌等原因不愿说出行为者，这时也常用被动语态。Theconstructionofthenewlabmustbecompletedbytheendofnextmonth.新实验室必须在下个月底前完工。被动语态的运用:知识讲解难点突破1).系动词无被动语态：以主动形式表示被动之意。常见的系动词有:be动词,look,seem,appear,feel,sound,smell,taste等

Itsmellsterrible.2).下列动词(词组)没有被动式:happen,takeplace,breakout,belongto,cost,take等

Anaccidenthappenedyesterday.3).不及物动词sell,wash,read,write,open,close,shut,lock,wear

等，常用主动形式表示被动意义。

Thisbooksellswell.这本书畅销。

Thekindofclothwasheswell.这种布很容易洗。

动词的主动形式表示被动之意

知识讲解难点突破1.TheyproducesilkinSuzhou.(改为被动句)

Silk__________________inSuzhou.2.Wecallmathsthelanguageofscience.(改为被动句)Maths__________________thelanguageofscience.isproducediscalledExercise课堂练习难点巩固1.Cotton______inthesoutheastofChina.A.isgrown

B.aregrown

C.grows

D.grow2.TheGreatWall______allovertheworld.A.knows

B.knew

C.isknown

D.wasknownACExercise课堂练习难点巩固一看动词二找主语三判关系四选be3.Insomepartsoftheworld,tea______withmilkandsugar.A.

isserving

B.

isserved

C.

serves

D.

served4.—

Doyouoftencleanyourclassroom?—

Yes.Ourclassroom_______everyday.

A.clean

B.

cleans

C.

iscleaned

D.

iscleaningBCExercise课堂练习难点巩固【2019昆明】—_______

free

breakfasts

_______in

all

schools

in

China?

—No,

not

yet.

Only

in

the

rural

areas.

A.

Are;

made

B.

Do;

serve

C.

Are;

served

D.

Do;

make【2019重庆市】Keep

quiet,

please!

Talking

_______

during

the

meeting.

A.

is

not

allowed

B.

is

allowed

C.

doesn’t

allow

D.

allows

CAExercise课堂练习难点巩固Manypeople

speak

English.一