解释句子的句式之间转换

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1、解释句子的句式之间转换（松岗中学讷笑春）1.比较等级之间的转换①.dobetterthan=…don’tdoaswellas…BrowndoesbetterinsciencethanMike.=Mikedoesn’tdoaswellasBrowninscience.②as+adj.+as=thesame+n.+asCathyisasoldasLinda.=LindaisthesameageasCathy.③benotso+adj.+as=beless+adj.（比较级）+thanKenisnotsohard-workingasTim.④beth

2、e+adj.（最高级）=be+adj.（比较级）thananyother.+N.Carlisthemosthard-workingoneinourclass.=Carlismorehard-workingthananyotheroneinourclass.2.瞬间动词和对应延续性动词之间的转换①die—havebeendeadTheoldmandiedthreeyearsago.=Theoldmanhasbeendeadforthreeyears.+itisthreeyearssincetheoldmandied.②buy—havehadShe

3、llyboughtthedictionarylastweek.=Shellyhashadthedictionaryforaweek.③borrow/lend—havekeptIborrowedthebooktwodaysago.=Ihavekeptthebookfortwodays.④open—havebeenopenMotheropenedthewindowearlyinthemorning.=Thewindowhasbeenopensincetheearlymorning.⑤leave—havebeenawayfromThestudents

4、leftthefarmlastmonth.=Thestudentshavebeenawayfromthefarmforamonth.⑥jointhearmy—havebeeninthearmyMyelderbrotherjoinedthearmytwoyearsago.=Myelderbrotherhasbeeninthearmyfortwoyears.=Myelderbrotherhasbeenasoldierfortwoyears.⑦begin—havebeenonTheclassmeetingbegantenminutesago.=The

5、classmeetinghasbeenonfortenminutes.⑧comehere—havebeenhereMr.Blackcameherehalfanhourago.=Mr.Blackhasbeenhereforhalfanhour.3.Itis+adj.+forsb.todosth.=Sth.+is+adj.+forsb.todo=Sb.findit+adj.+todosth.ItisverynecessaryforustolearnEnglishwell.=Englishisessentialforustolearnwell.=We

6、finditveryessentialtolearnEnglishwell.4.Itis+adj.+ofsb.todosth.=Sb.is+adj.+todosth.Itisverykindofhertohelpmewiththehardjob.=Sheisverykindtoassistmewiththedifficultjob.5.Itis+adj.+todosth.=Todosth./Doingsth.is+adj.Itisvitaltolearneachsubjectwell.=Tolearneachsubjectisveryimpor

7、tant.=Learningeachsubjectwellisveryimportant.6.Ittakessb.sometimetodosth.=Sb.spendsometimeonsth./（in）doingsth.Ittookustenminutestofinishthescienceproblem.=Wespenttenminutesfinishingthescienceproblem.7.Sth.costsb.somemoney=Sb.paysomemoneyforsth.=Sb.spendsomemoneyonsth./（in）do

8、ingsth.Thisnewbagcostme50yuan.=Ipaid50yuanforthenewbag.=Ispent50yuanonthene