whenwasitinventde(periodone---grammerfocus)

1、Unit 6 when was it Unit 6 when was it invented?invented?Grammar focusGrammar focusPassive voice of past tensePassive voice of past tense語態(tài) 英語中兩種語態(tài)兩種語態(tài) 主主動動語態(tài)：主語是動作的執(zhí)行者 Egg : People grow tea in Hangzhou. 被被動動語態(tài)：主語是動作 的承受者 Egg :Tea is grown by people in Hangzhou.時態(tài)（十六種 ） 1、一般現(xiàn)在時一般現(xiàn)在時 2、一般過去時、一般過去時 3、一

2、般將來時、一般將來時 4、過去將來一般時 5、現(xiàn)在完成時、現(xiàn)在完成時 6、過去完成時、過去完成時 7、將來完成時 8、過去將來完成時 9、現(xiàn)在進行時、現(xiàn)在進行時 10、過去進行時、過去進行時 11、將來進行時 12、過去將來進行時 13、現(xiàn)在完成進行時、現(xiàn)在完成進行時 14、過去完成進行時 15、將來完成進行時 16、過去將來完成進行時一般現(xiàn)在時的被動語態(tài)結構 English is spoken by many people.肯定句結構：be(amisare) + v過去分詞 Is English spoken by many people?一般疑問句結構： Be(AmIsAre )(句首）+

3、主語+V過去分詞+其它+？ 特殊疑問句結構：特殊疑問詞+be( amisare) +主語+V過去分詞+其它+？ This is a zipper. This is a zipper. It was invented in It was invented in 18931893. Who was it invented by? Who was it invented by? It was invented by Whitcomb It was invented by Whitcomb JudsonJudson.This is a telephone.The telephone was inven

4、ted by Alexander Graham Bell in 1876. This is a fridge. This is a fridge. The fridges were The fridges were soldsold at a low price on last at a low price on last FridayFriday.一般過去時的被動語態(tài)結構：主語+be(waswere)+及物動詞的過及物動詞的過去分詞去分詞+其它其它（主語是第一、三人稱單數(shù)或不可數(shù)名詞時was 主語是第二人稱或復數(shù)名詞時were） Zipper was invented in 1893. Th

5、e telephone was invented by Alexander Graham Bell in 1876. The fridges were sold at a low price on last Friday.一般過去時幾種句式的被動語態(tài)結一般過去時幾種句式的被動語態(tài)結構構Zipper was invented in 1893. Was it invented in1893 ?When was it invented ?肯定句結構：waswere + V過去分詞一般疑問句結構：WasWere(句首）+主語+V過去分詞+其它+？特殊疑問句結構：特殊疑問詞+ waswere +主語+V

6、過去分詞+其它+？要點分析 什么時候使用一般過去時的被動語態(tài)？當動作發(fā)生在過去且主語是動作的承受者 一般過去時的被動語態(tài)結構(肯定的陳述句）主語+be(waswere)+及物動詞的過去分詞+其它（注：那么否定的陳述句呢？）一般疑問句結構，特殊疑問句結構是什么？練習*1.My camera _by somebody last night.A. Steal B. stoleC. was stolen D. is stolen *2. Where did you take these photos?（變?yōu)楸粍诱Z態(tài)）Where _these photos_?答案：1.C 2. weretaken練習*

7、3. Our parents advised us not to go out alone.(變?yōu)楸粍诱Z態(tài)）_ _ _advised to go out alone. *4. Different writers translated the book into different languages.（變?yōu)楸粍诱Z態(tài)）The book _ _into different languages by different writers.答案：3.We were not 4. was translatedAnswers of 4b 1.were invited 2.were brought 3.was locked ; rang 4.were told; broke 5.were eaten;likedHomework 1.Do exer