英语新导学人教全国选修七课件Unit 2 6.ppt

Unit 2 Robots 语法导学 内容索引 达标检测 Grammar — Revise the Passive Voice ( Ⅰ ) (including the infinitive) 语法导学 ◆语法感知 课文原句感知 1.It was going (test) out by Larry s wife ， Claire. 2.Larry persuaded her that the robot wouldn t harm her or allow her (harm). 3.Claire thought it was ridiculous (offer) sympathy by a robot. 4.How awful (discover) by her ， Claire thought. to be tested to be harmed to be offered to be discovered 5.By that time ， Tony expected the house completely ___________ (transform). 6.What a sweet victory by those women! 7.But even though Tony had been so clever ， he would have ___________ (rebuild). to be transformed to be envied to be rebuilt ◆语法精析 语态是动词的一种形式，它表示主语和谓语的关系。语态有两种：主 动语态和被动语态。如果主语是动作的执行者，或者说动作是由主语完成 的，要用主动语态；如果主语是动作的承受者，或者说动作不是由主语而 是由其他人完成的，则用被动语态。 被动语态的构成是：助动词 be ＋动词的过去分词。 一、各种时态的被动语态 1. 各种时态的主、被动语态的构成 时态 主动语态 被动语态 一般现在时 do/does am/is/are ＋ done 一般将来时 will/shall ＋ do will/shall/be going to/be to ＋ be ＋ done 现在进行时 am/is/are ＋ doing am/is/are ＋ being ＋ done 一般过去时 did was/were ＋ done 现在完成时 have/has ＋ done have/has ＋ been ＋ done 过去完成时 had ＋ done had ＋ been ＋ done 过去进行时 was/were ＋ doing was/were ＋ being ＋ done 情态动词 情态动词＋ do 情态动词＋ be ＋ done 2. 注意事项 (1) “ be ＋过去分词 ” 并非都是被动语态，系动词 be ， feel ， seem ， look 等词后面的过去分词已转化为形容词，作表语用，构成系表结构，表示 某种状态。 I m interested in mathematics. 我对数学感兴趣。 He seems unsatisfied with his work. 他似乎对自己的工作不满意。 (2) 英语中有一些短语常以被动形式呈现，但表示主动意义。 She is usually dressed in white. 她通常穿白色衣服。 The boy was seated by the window. 小男孩坐在窗户旁。 (3) “ get ＋过去分词 ” 也表被动。 We got separated when we entered the big hall. 我们进入大厅时被挤散了。 (4) 某些情况用主动语态来表示被动含义。 ① read ， write ， act ， iron ， burn ， cut ， draw ， drive ， sell ， wash ， clean ， wear ， open ， cook ， lock ， shut ， dry ， ea