初中英语主动变被动实例讲解

被动语态基本用法当句子的主语是动作的执行者时 谓语的形式是主动语态 当句子的主语是动作的承受者时 谓语要用被动语态 被动语态由助动词be 过去分词构成 时态通过be表现出来 be Vp p 动词的过去分词 1 be动词可以随时态人称的变化而变化am is are V 过去分词 was were V 过去分词 willbe V 过去分词 情态动词 be V 过去分词 1 规则动词的过去分词 1 一般情况在动词原形后加 ed watch watched 2 以不发音e结尾的加 d practice practiced 3 以辅音加y结尾的 去y变i加 ed study studied 4 以重读闭音节结尾 末尾只有一个辅音字母 先双写该辅音字母 再加 ed stop stopped 2 不规则动词的过去分词 am is are been have has had do done write written go gone Heplantstreesinspring 主 谓 宾 受动者 Trees areplanted by him 改为被动语态 inspring 主动语态变被动语态口诀 宾语提前主语变 原主变宾by后见 时态人称be关键 Tomwillcleantheroomtomorrow 主 谓 宾 受动者 Theroom willbecleaned by Tom tomorrow Hisbrotherwashesbowlseveryday 主 谓 宾 受动者 Bowls arewashed by hisbrother everyday 1 Theymakeshoesinthatfactory 主语 及物动词 宾语 Shoesaremade bythem inthatfactory 一般现在时 S 主语 am is are 过去分词 变为被动语态 2 Theyboughttencomputerslastterm Tencomputerswerebought bythem lastterm 一般过去时 S was were 过去分词 3 AmycantakegoodcareofGina GinacanbetakengoodcareofbyAmy 情态动词 S can may must should be 过去分词 各种时态的被动语态构成1 一般现在时 Youareinvitedtodothis 2 一般过去时 Thestorywastoldbyher 3 一般将来时 Theproblemwillbediscussedtomorrow 看一看想一想 4 情态动词 Therubbishcanbeputintothedustbinoverthere 1 Peopleuseknivesforcuttingthings Knives forcuttingthings 2 Thestudentscleanthewindowsoftheirclassroomtwiceamonth Thewindowsoftheirclassroom twiceamonth EXERCISES 变被动语态 3 Ifoundtheticketonthefloor onthefloor 4 Itoldhertoreturnthebookintime She toreturnthebookintime 4 Theywillfinishtheworkintendays Theworkwillbefinished bythem intendays 一般将来时 S will be 过去分词 5 Someworkersarepaintingtheroomsnow Theroomsarebeingpaintedbysomeworkersnow 现在进行时 S am is are being 过去分词 6 Wehavemadetwentymorekeys Twentymorekeyshavebeenmadebyus 现在完成时 S have has been 过去分词 7 Iwasdoingmyhomewo