一般现在时、一般过去时的被动语态
Unit5Whataretheshirtsmadeof?第三课时（GrammarFocus---4c）被动
语态ThePassiveVoiceHeeatsanapple.
be有人称、时态和数的变化。及物动词的过去分词：及物动词变过去分词的规则变化和及物动词变过去式的规则变化一样1.一般情况
下，动词词尾加-ed.如：work-worked,play-played.2.以不发音的-e结尾的动词，动词
词尾加-d如:live-lived,move-moved.3.以“辅音字母+y”结尾的动词，把y改为i，加-ed.
如:study-studied,try-tried.4.末尾只有一个辅音字母的重读闭音节动词；双写这个辅音字母，再加-ed.如
:stop-stopped.判断主动语态和被动语态：1.Themodelplaneismadeofused
woodandglass.2.Mostmiddleschoolstudentsplay
football.3.Teaplantsaregrownonthesidesofmounta
ins.4.PeoplegrowteainHangzhou.5.Teaisgrown（bypeople）
inHangzhou.主动语态转变为被动语态时的注意要点：一是两者的时态要一致，
二是要注意主格、宾格间的转换。§课堂学习方案---4bThebestmaterialsareusedbythis
shoptomakedresses.Manytrafficaccidentsarecausedbycarele
ssdriving.Lettersandpostcardsarebroughttopeople’shomesb
ythepostman.Thissilverplateisn’tusedveryoftenbyourfam
ily.§课堂学习方案---4cPairworkpencil,jacket,sweater,glass,desk
,cap,book，gloves,ring…A:What’syourpencilmadeof?B:
It’smadeofwood.A:WasitmadeinChangchun?B:No,it
wasn’t.A:Wherewasitmade?B:ItwasmadeinShanghai.study的过去分词
§课堂巩固练习---/4aaren’tallowedarepaidisspokeniscoverediscle
aned把下列句子变成被动语态的句子；1.Theyplantedthesetreesonweekends
.Thesetreesonweekend
s.2.Theworkersbuiltthebridgein1968
builtbytheworkersin1
968.3.PeopleinvitedYaoMingtoplaybasketballinthe
US.YaoMingtobasketball
intheUS.4.Thecompanyproducedthisnewtypeoflaptop
computer.（笔记本电脑）Thisnewtypeoflaptopcomputer
bythecompany.wereplantedThebridgewaswasinvitedplaywasproduced
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