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1、Unit4AnimalsGrammar1.主语从句：作主语的句子是主语从句。主语从句可以位于句首，但多数情况下，主语从句都用作形式主语的it代替，而把主语从句置于句尾。如：Whatyoudidyesterdayhurtyourfriend.Itisclearthathehasreachedhisgoal.2.宾语从句作宾语的句子是宾语从句。常作动词、介词或afraid,glad,certain,sure等形容词的宾语。若有补足语，则宾语从句要放到补足语之后，在宾语补足语前用形式宾语it.如：Ihope(that)youcanfi
2、ndabetterjob.I’minterestedinwhatthenewly-electedpresidentsaid.Hehasmadeitclearthathewon’tagreetotheplan.3.同位语从句作同位语的句子是同位语从句。同位语从句说明名词的具体内容，能跟同位语从句的名词常见的有belief,doubt,evidence,fact,hope,idea,news,question,order,promise,reply,rumour,problem,reason,suggestion,thought等。
3、如：Modernsciencehasgivenclearevidencethatsmokingcanleadtomanydiseases.4.表语从句作表语的句子是表语从句。它常位于句中连系动词之后。如：Thequestionwaswhocouldbesenttothatcompany.StudyingtheruleReadthefollowingsentences,payingspecialattentiontothecoloredparts.1)Scientistsdonotknowhowthehoneyguidediges
4、tsthewax,butitisverydeterminedinitseffortstogetit.2)Theybelievethatiftheydonotopenabees’nestandleavesomehoneycombfortheguide,…itwillleadthemtoasnakeoraleopardinrevenge.3)Thesuggestionthatstudentsshouldlearnsomethingpracticalatschoolisworthconsidering.Makeasentencewit
5、hthesewordsandgettoknowsubject,object,predictiveandappositive.Beibei,abeautifulcityandisisfamousforJinYunmountainthesightsBeibeiisabeautifulcityandisfamous(主语)（表语）forthesights,JinYunmountain.（宾语）（同位语）Readthethreesentencesagain,andidentifythefunctionoftheclauses.1)Sci
6、entistsdonotknowhowthehoneyguidedigeststhewax,butitisverydeterminedinitseffortstogetit.(宾语)2)Theybelievethatiftheydonotopenabees’nestandleavesomehoneycombfortheguide,…itwillleadthemtoasnakeoraleopardinrevenge.（宾语）3)Thesuggestionthatstudentsshouldlearnsomethingpractic
7、alatschoolisworthconsidering.（同位语）FindingtheruleObservetheexamplesentencesandcomparethedifferencesbetweenthetwosentences.Subject:Herstrangebehaviorisstillunknown.Subjectclause:Whyshedidthisisstillunknown.Object:Theresearchersinterviewedmanykidstofindouttheirneeds.Obj
8、ectclause:Theresearchersinterviewedmanykidstofindoutwhattheyneed.Predictive:Thisismyreason.Predictiveclause:ThisiswhyIchoosetoteach
