whenwasitinventde(periodone---grammerfocus)汇总.pptx

Unit 6 when was it invented? Grammar focus Passive voice of past tense 语态 英语中两种语态 主动语态：主语是动作的执行者 Egg : People grow tea in Hangzhou. 被动语态：主语是动作 的承受者 Egg :Tea is grown by people in Hangzhou. 时态（十六种 ） 1、一般现在时 2、一般过去时 3、一般将来时 4、过去将来一般时 5、现在完成时 6、过去完成时 7、将来完成时 8、过去将来完成时 9、现在进行时 10、过去进行时 11、将来进行时 12、过去将来进行时 13、现在完成进行时 14、过去完成进行时 15、将来完成进行时 16、过去将来完成进行时 一般现在时的被动语态结构 English is spoken by many people. 肯定句结构：be(am\is\are) + v过去分词 Is English spoken by many people? 一般疑问句结构： Be(Am\Is\Are )(句首）+主语+V过去分词+其它+？ 特殊疑问句结构： 特殊疑问词+be( am\is\are) +主语+V过去分词+其它+？ • This is a zipper. • It was invented in 1893. • Who was it invented by? • It was invented by Whitcomb Judson. This is a telephone. The telephone was invented by Alexander Graham Bell in 1876. • This is a fridge. • The fridges were sold at a low price on last Friday. 一般过去时的被动语态结构：主语+be(was\were)+及物动词的过去分词+其它（主语是第一、三人称单数或不可数名词时——was 主语是第二人称或复数名词时——were） Zipper was invented in 1893. The telephone was invented by Alexander Graham Bell in 1876. The fridges were sold at a low price on last Friday. 一般过去时几种句式的被动语态结构 Zipper was invented in 1893. Was it invented in1893 ? When was it invented ? •肯定句结构：was\were + V过去分词 •一般疑问句结构： Was\Were(句首）+主语+V过去分词+其它+？ •特殊疑问句结构： 特殊疑问词+ was\were +主语+V过去分词+其它+？ 要点分析 什么时候使用一般过去时的被动语态？ 当动作发生在过去且主语是动作的承受者 一般过去时的被动语态结构(肯定的陈述句） 主语+be(was\were)+及物动词的过去分词+其它 （注：那么否定的陈述句呢？） •一般疑问句结构，特殊疑问句结构是什么？ 练习 *1.My camera _____by somebody last night. A. Steal B. stole C. was stolen D. is stolen *2. Where did you take these photos?（变为被动语态） Where ____these photos_____? 答案：1.C 2. were…taken 练习 *3. Our parents advised us not to go out alone.(变为被动语态） ____ _____ ___advised to go out alone. *4. Different writers translated the book into different languages.（变为被动语态） The book ____ ______into different languages by different writers. 答案：3.We were not 4. was translated Answers of 4b 1.were invited 2.were brought 3.was locked ; rang 4.were told; bro