单数句变复数句(附练习及答案)

单数句变复数句单数句变复数句歌谣：单数句变复数句,代词四变要记住。人称,指示,反身变物主代词看一看。连系动词amis变成are。冠词aan要去掉，改为some,any也可以。名词做定语，介宾不要变；有man和woman也例外。句式不要变，十全十美题做完。1人称代词由单数变复数：主格Iweyouyouhe/she/itthey宾格meusyouyouhim/her/itthem例1Sheisagirl.Theyaregirls.例2Ilikeher.Welikethem.2指示代词由单数变复数：单数复数thisthesethatthose例1Thisisabook.Theseare（some）books.例2Isthatapen？Arethose（any）pens？3反身代词：第一人称myselfourselves第二人称yourselfyourselves第三人称himselfthemselves(herself,itself)例1Iamteachingmyselfcomputer.Weareteachingourselfcomputer.例2Thechildhimselfdrawsthispicture.Thechildrenthemselvesdrawthesepictures.4物主代词由单数变复数：1名词性物主代词：mineours，yoursyours，his/hers/itstheirs2形容词性物主代词：myour，youryour，his/her/itstheir例1Thebookismine.Thebooksareours.例2Thisisherpen.Thesearetheirpens.5一般情况下，形容词性物主代词在单数句变复数句时不变。例1Thisismybook.Thesearemybooks.6当句中形容词性物主代词与句中的主语一致时，形容词性物主代词应随主语人称的变化而变化，仍要保持一致。例1Helikeshisbike.Theyliketheirbikes.7连系动词由单数变复数：is/amare例1Iamateacher.Weare（some）teachers.8a/an表示一个，只能用在单数名词前，当单数句变复数句时，一定要把a/an去掉，或改为some/any。例1Thisisabook.Theseare（some）books.例2Isthatapen？Arethose（any）pens？9当名词作定语或在介词短语中作介词宾语充当除宾语以外的其它成分时，该名词不变。例1Heisaboystudent.Theyare（some）boystudents.（man和woman）除外。例2Sheisawomanworker.Theyare（some）womenworkers.10单数句变为复数句时，句式不能改变，即单数句是疑问句时，变为复数句时，仍然是疑问句。例1What’sthis？Whatarethese？例2Shelikeshisbike.Theyliketheirbikes.可数名词的复数形式的部分规则1一般情况加s，结尾是清辅音读[s]，结尾是浊辅音或元音读[z]。例：friend→friends;cat→cats;style→styles;sport→sports;piece→pieces2以s、x、ch、sh结尾的词，在该词末尾加上后辍-es构成复数。读[iz]。例：bus→buses;quiz→quizzes;fox→foxes;match→matches;flash→flashes3以辅音字母+y结尾的名词，将y改变为i，再加-es。读[z]。例：candy→candies;daisy→daisies;fairy→fairies;lady→ladies;story→stories4以-o结尾的名词，有生命的加-es，无生命的加-s构成复数。读[z]。例：tomato→tomatoes;potato→potatoes;torpedo→torpedoes;bingo→bingoes（有生命）例：silo→silos;piano→pianos;photo→photos;macro→macros（无生命）5以-f或-fe结尾的名词，多为将-f或-fe改变为-ves，但有例外。读音变化：尾音[f]改读[vz]。例：knife→knives;life→lives;leaf→leaves;staff→staves;scarf→scarves反例：roof→roofs6以-ceseze（d）ge等结尾的名词，加-s，读[z]。例price—pricescase—casesorange—oranges名词的不规则变化：man→men;woman→women;child→children;people→people;fish→fish;sheep→sheep;deer→deer;foot→feet;mouse→mice;tooth→teeth;单数句变复数句精炼一将下列单数句变为复数句1Thisisabook.2Isthatapen？3Sheisagirl.4Ilikeher.5Thebookismine.6Thisisherpen.7Iamateacher.8Heisaboystudent.9Sheisawomanworker.10Helikeshisbike.二将下列复数句变为单数句1Whatarethese？2Theyliketheirbikes.3Thesearemybooks.4Theseare（some）books.5Arethose（any）pens？6Theyaregirls.7Welikethem.8Theseare（some）books.9Arethose（any）pens？10Theylikemybikes.三将下列名词变为复数形式单数句变复数句精炼答案一将下列单数句变为复数句1Theseare（some）books.2Arethose（any）pens？3Theyaregirls.4Welikethem.5Thebooksareours.6Thesearetheirpens.7Weare（some）teachers.8Theyare（some）boystudents.9Theyare（some）womenworkers.10Theyliketheirbikes.二将下列复数句变为单数句1Whatisthis？2Helikeshisbike3Thisismybook.4Thisisabook.5Isthatapen？6Sheisagirl.7Ilikeher.8Thisisabook..9Isthatapen？10Helikesmybike.三将下列名词变为复数形式mapseggsapplesorangespensboxesbusesgirlsboysbabiesknivesphotostomatoesmenwomenmilkwaterdeskstablesbikes