初中英语人教版九年级全一册：Unit 6 When was it invented Section A Grammar focus 4a—4c-教学课件.pptxVIP

Unit6Whenwasitinvented?

(SectionAGrammarFocus4a-4c)

年级：九年级学科：英语(人教版)

1.knowhowtousepassivevoiceinthesimplepasttense;

2.understandandusepassivevoiceinthecontext;

3.talkabouthowtheinventionschangeourlives.

LearningObjectives

Bytheendoftheclass,youwillbeableto:

THESMARIPHONE

第三集智能手机

Watchandwrite

Howcansmartphoneschangeourlives?

Thinkandtalk

Howcansmartphoneschangeourlives?

Wecanusethemtotalktoeachother.

Wecanusethemtonavigatethe

environment.

Thesmartphonesareusedtohelpour

liwesarechangedalotbythesmartphones.

Thinkandtalk

Doyouknowthehistoryofthephones?

◆Whoinventedthefirsttelephone?

ThefirsttelephonewasinventedbyAlexander.

◆Whenwasthefirstphoneinvented?

Thephonewasinventedin1928.

◆Whoinventedthefirstiphone?

SteveJobsinventedthefirstiphone.

Whentousepassivevoice?

√Whentheobjectisemphasizedinthesentence.

被动语态用在强调动作接收者

√Whenwhodidtheactionisunknownorunimportant.

被动语态用于表示动作发出者未知或不重要。

Reviewandthink

passivevoicev.s.activevoice(basicstructure)

被动语态passivevoice

语

ct

宾

obje

verb动词

Verb

Pasttense

Pastparticiple

sing

sang

sung

sit

sat

at

sleep

slept

slept

smell

smelt/

smelled

smelt/smelled

speak

spoke

spoken

speed

sped/

speeded

sped/speeded

spell

spelt/

spelled

spelt/spelled

spend

spent

spent

spread

spread

spread

stand

stood

stood

steal

stole

stolen

stick

stuck

stuck

swim

swam

swum

take

took

taken

teach

taught

taught

tell

told

told

Q:howtochangedotodone?

ThesmartphonesareusedtohelpourA:5waystochange.

·

Compareandthink

Whatispassivevoiceinthesimplepasttense?(basicstructure)

ThefirsttelephonewasinventedbyAlexander.

Thephonewasinventedin1928.

IrregularVerbs

lives.

4bCompletethesentenceswiththecorrectformsofthe

verbsinthebox.一般现在时被动语态：was/weredone

eatlocklikeringinvitebreaktellbring

1.Youwereinv