it用法在写作中的运用.ppt

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1、it用法在写作中的运用1.it作代词时的用法；2.it作形式主语和形式宾语；3.it引导强调句型；4.it固定短语和常用句型5.it的用法在写作中的应用。objectivesItiscoldtoday.Itisathreeminutes’walkfromclassroomtotheplayground.Ihaveadictionary.Itmakesmesmart.Thinkaboutwhat“it”referstointhefollowingsentences.WarmupHesmokesinbedandIdon’tlikeit.Ⅰ.代词（1）用作人称代词，代替前文提到过的事物

2、。Thetrainhasarrived.Itarrivedhalfanhourago.（2）用以代替提示代词this,that。What’sthis?—It’saknife.Whosewatchisthat?—It’smine.（3）起指示代词的作用，指一个人或事物。Whoisknockingatthedoor?—It’sme.（4）指环境情况等。Itwasveryquietinthelibrary.（5）指时间、季节等。Whattimeisit?—It’seighto’clock.（6）指距离。Itisalongwaytotheschool.necessaryIt+is/wa

3、s+adj.important+todosth./that从句…saidIt+is/wasdoneknown+that从句suggested…Ⅱ.形式主语one’sdutyIt+is/was+n.agreathonor+todosth./that从句…写作中的常用的经典句型思考：当形容词为strange/natural/essential/important/desirable等时当done为required,suggested,demanded,recommended等时从句必须用什么结构？虚拟语气(should)+doTolearnEnglishwellisimportant

4、forus.Thatyoumissedtheexcitingfootballmatchisapity.Thatwestudentsshouldbekindtoothersisnecessary.That16peoplewerekilledinthedisasterwasreported.ItisimportantforustolearnEnglishwell.3.Itisnecessarythatwestudentsshouldbekindtoothers.2.It’sapitythatyoumissedtheexcitingfootballmatch.TolearnEnglis

5、hwellThatyoumissedtheexcitingfootballmatchThatwestudentsshouldbekindtoothersThat16peoplewerekilledinthedisaster4.Itwasreportedthat16peoplewerekilledinthedisaster.把下列句子改写成it做形式主语的句子：findpossiblethinknecessary+todo/doing/that从句S+feel+it+importantbelievearule/anhonor……Ⅲ.形式宾语写作中的常用的经典句型6123原则：6个常

6、用动词think/find/consider/make/feel/believe1个形式宾语it2种宾补形式形容词/名词3种真正宾语形式todo/doing/that从句我们认为帮助别人很重要。我们相信一直不停地学习是没用的。学校定了一条规则，开始上课时学生要起立。Wethinkitimportanttohelpothers.Webelieveitnousestudyingallthetime.Theschoolmadeitarulethatthestudentsshouldstandupwhenclassbegins.用形式宾语it翻译下列句子：Ⅳ.强调句型Isawhimont

7、hestreetlastnight.IItwasIthat/whosawhimonthestreetlastnight.himItwashimthat/whoIsawonthestreetlastnight.onthestreetItwasonthestreetthatIsawhimlastnight.lastnightItwaslastnightthatIsawhimonthestreet.1.Itis/was+被强调部分+that/who...该句型是强调句型。将被强调的部分