Unit 2 Grammar 课件 2020-2021学年人教版高中英语选修七

Unit 2 Grammar Revise the Passive Voice Part 1 Passive Voice 被动语态 被动语态的构成 be＋动词的过去分词 My hamburger ____________ by the dog. The toy _____________by hand. was eaten is made 注意事项 “be＋过去分词”并非都是被动语态，系动词_____________________等词后面的过去分词已转化为____________，作_________用，构成系表结构，表示某种状态。 I was ________ about my sister. be, feel, seem, look 形容词 表语 worried 一、使用被动语态的情况 1.我们不知道或没有必要说明动作的执行者是谁的时候 (这时不带by引导的短语) Priting _____________________ to Europe from China. Look! There is nothing here. Everything _______________ away. was introduced has been taken 2.当我们出于礼貌、措辞圆通等方面的考虑不愿说出 动作的执行者是谁时 You _______________to give a performance. You are cordially(诚挚地) _______________ to a party to be given at the Teachers' Club at 3 p.m. Nov. 23. 3.当我们强调动作的承受者时 The song ___________________ by a doctor. are requested invited was/is composed 二、各种时态的被动语态 被动语态由be+过去分词构成，be随着时态的变化而变化。 1.一般现在时：__________________ The first section of New College English is designed for speaking practice and is based on pict