英语教学课件Unit 6 Grammar Passive Voice.pptx

Learningobjectives:Inthislesson,wewill:1.practicetalkingaboutenvironmentalproblems；2.gettoknowthepassivevoice,thestructureofthepassivevoice,theuseofthepassivevoice；3.raiseawarenessofenvironmentalprotection.

Aretheremanyenvironmentalproblems?

Theairispolluted.Rubbishisthrowneverywhere.Thewaterispolluted.Manytreesarecutdown.PassiveVoice被动语态

在英语中有两种语态：1、主动语态：2、被动语态：Weplantedthetree.Thetreewasplantedbyus.(主动语态）(被动语态）主语是动作的执行者主语是动作的承受者主主谓谓

被动语态的基本用法：Papercupsaremadefromtrees.1、不知道或没必要提到动作的执行者。2、强调动作的承受者。Thetreewasbrokenbythatboy.

ActivevoicePassivevoiceJacklovesRose.主谓宾RosebedonebyJack.三步走一找二变三换寻找主谓宾宾变主，主变by宾谓换bedone,时不变（一般现在时）（一般现在时）am/is/arelovedRosebyJack.

Sheplantedsomeflowersyesterday.Someflowersbedonebyheryesterday.主谓宾（一般过去时）（一般过去时）was/wereplantedSomeflowersbyheryesterday.一找、二变、三换Pleasepressthe“pause”button,andyouhavetwominutestothink.

一般现在时一般过去时一般将来时现在进行时现在完成时12345被动结构：bedonebe有人称、数和时态的变化6含有情态动词的被动语态am/is/aredonewas/weredonewillbedoneam/is/arebeingdonehave/hasbeendone情态动词+bedoneam/is/aregoingtobedonePleasepressthe“pause”button,andyouhavefiveminutestothink.

高考句型转换1?、Tomcleanstheroomeveryday.(改为被动语态)

TheroombyTomeveryday.

2、Bill’steacheraskedhimtogototheoffice.(改为被动语态)

?Bill??byhisteachertogototheoffice.

3、Youmustwatertheflowerseveryday.(改为被动语态)

?Theflowersmust?everyday.Pleasepressthe“pause”button,andyouhavefiveminutestothink.

高考句型转换4?、Wewillplantmoretreesnextweek.(改为被动语态)

Moretreeswillbyusnextweek.

5、Theyarebuildingmanyhousesinthecity.(改为被动语态)

?Manynewhousesare??inthecitynow.

6、Hehasrepairedhisbike.(改为被动语态)

?Hisbike?repair