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1、第三課時(shí)Section A (Grammar Focus4c)Unit 5What are the shirts made of?單元同步語法精講一、主動語態(tài)與被動語態(tài)語態(tài)是英語句子中表明句子主語與謂語之間動作關(guān)系的一個(gè)概念,具體分為主動語態(tài)與被動語態(tài)兩種。主動語態(tài)表明的是“句子謂語動作是由主語發(fā)出,即主語是謂語動作的執(zhí)行者”這一種主謂關(guān)系。而被動語態(tài)表明的則是“句子謂語動作不是由主語發(fā)出的,主語反而是謂語動作的承受者”這一種主謂關(guān)系。eg:Many people speak English.許多人講英語。(主動語態(tài),主語“Many people”是謂語動作“speak”的執(zhí)行者)Englis
2、h is spoken by many people.英語被許多人講。(被動語態(tài),主語“English”是謂語動作“is spoken”的承受者)二、一般現(xiàn)在時(shí)的被動語態(tài)一般現(xiàn)在時(shí)的被動語態(tài)其謂語結(jié)構(gòu)為:am/is/are及物動詞的過去分詞1肯定句結(jié)構(gòu)為:主語am/is/are及物動詞的過去分詞其他。eg:Farm machines are made in the factory.農(nóng)用機(jī)械在那個(gè)工廠被制造。2否定句結(jié)構(gòu)為:主語am/is/arenot及物動詞的過去分詞其他。eg:Farm machine are not made in the factory.農(nóng)用機(jī)械沒有在那個(gè)工廠被制造。3一
3、般疑問句結(jié)構(gòu)為:Am/Is/Are主語及物動詞的過去分詞其他?eg:Are farm machines made in the factory?農(nóng)用機(jī)械是在那個(gè)工廠被制造的嗎?【注意】happen,belong to,have,cost,last,own,stay等一般不用被動語態(tài)。taste,sound,prove,feel,look,smell等系動詞常用主動形式表示被動意義。除此之外,read,sell,wash,write等動詞用來說明主語的性質(zhì)特征時(shí),也常用主動形式表示被動意義。單元同步語法精練一、根據(jù)句意用所給詞的適當(dāng)形式填空。1The letter _(write) in Eng
4、lish.2Shanxi _well _(know) for The Qiaos Family Compound(喬家大院)3The trees _(cover) by snow yesterday.4Many boys _(invite) to the party last Sunday.5Our classroom _(clean) by the students every day.was_writtenisknownwere_coveredwere_invitedis_cleaned二、單項(xiàng)選擇。6Why does the earth look blue in space?Becaus
5、e most of the earths surface _ by water.(2016,黃石)AcoversBis coveredCcover Dare covered7Students do less homework now.Usually it _ before 9 oclock in the evening.(2016,重慶)Afinishes BfinishedCis finished Dwas finishedBC8Your classroom is so clean.(2016,綿陽)Of course.It _ every day.Ais cleaned Bwas clea
6、nedCcleans Dcleaned 9A lot of trees _ around here every year and we can enjoy fresher air now.Aplant Bis plantedCwere planted Dare plantedAD10More chances_for stu dents to learn from each other if working in groups.(2016,泰安)Aprovide Bare providedCprovided Dwill provideB三、將下列句子改為被動語態(tài)的句子。11People grow
7、 rice in the southern part of China.Rice _in the southern part of China.12Dad buy me a toy player every year.A toy _every year by Dad.13Where does he plant trees in spring?Where _in spring by him?is grownis bought for meare trees planted14His mother doesnt allow him to go out.He _go out by his mother.15Many travelers visit the Great Wall every year.The Great Wall _by many travelers every year.isnt allowed tois visited