单数-复数句型转换讲解部分

单数句变复数句辅导 版权- 必须让孩子复习并掌握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：bag bags hat hats; bottle bottles sport sportspiece pieces bookbooks shirtshirts pantpants 2.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 fox foxes; match matches watch watches 3.以辅音字母+y结尾的名词，将y改变为i，再加- es,读z。 candy candies; factory factories city cities baby-babieslady ladies; story stories butterfly-butterflies 4.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 piano pianos photo photos（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 wifewives wolfwolves scarf scarves/ scarfs 反例：roof roofs 6 以-ce se ze（d）ge等结尾的名词，加-s，读z。 priceprices casecases orangeoranges bridge-bridges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 goosegeese 将下列名词变为复数形式map egg apple orange tomato potato photo zoo picture chairbox bus girl boy baby monkey wolf giraffe knife man woman table desk dictionary deer goat fish child foot tooth mouse cola milk water coffee chicken fish cream juice tea 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 am is 变成 are。冠词a an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 。一. 人称代词由单数变复数： 1 主格 I- we ，you- you ，he/she/it- they . 2 宾格me- us ，you- you ，him/her/it- them . She is a nice girl. - They are nice girls . I like him. - We like them.二 指示代词由单数变复数： this-these ， that- thoseThis is an English book. These are（some）English books .Is that a new pencil？ Are those（any）new pencils？ 三 反身代词：第一人称 myself-ourselves 第二人称 yourself-yourselves 第三人称 himself/herself / itself-themselves I am teaching myself English.-We are teaching ourselves English. The child herself draws this picture.-The children themselvesdrawthese pictures. 四. 物主代词由单数变复数：1 名词性物主代词：mine- ours ，yours- yours ， his/hers/its- theirs 2 形容词性物主代词：my- our， your-your ， his/her/its -their The book is mine.- The books are ours.That is her pencil-case.- Those are their pencil-cases. 一般情况下，形容词性物主代词在单数句变复数句时不变。This is my book .- These are my books .五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。He likes his bike.- They like their bikes.六. 连系动词由单数变复数 ：is/am- are I am a Chinese teacher.- We are（some）Chinese teachers.七 a/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。 This is an orange.-These are（some）oranges. Is that an eraser ？-Are those（any）erasers？ 八 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。He is a boy student.-They are（some）boy students.（man和woman）除外。She is a woman worker.-They are（some）women workers.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。Whats this？- What are these？She likes her watch. They like their watches.下面是我摘录的内容（大同小异），供参考：1. 可数名词单数要变为其相应的复数形式例如: I am a teacher.We are teachers. It is a box.They are boxes. 2. 人称代词主格要由单数形式变为复数形式,即:Iwe,youyou (you的单数形式和复数形式相同),he (she, it)they例如: I am a student.We are students. She is a girl.They are girls. 3. am, is要变为are例如: I am in Grade One.We are in Grade One. He is a teacher.They are teachers. 4. 指示代词this和that要分别变为these或those例如: This is a pencil-case.These are pencil-cases. That is an English car.Those are English cars. 5. 不定冠词a/an要去掉例如: It is a black cat.They are black cats. She is an English teacher.They are English Teachers. 6. man或woman作定语修饰可数名词时,在整个句子变成复数句的情况下,也要变为复数形式menwomen例如: She is a woman doctor.They are women doctors. 注意:在单数句变为复数句时,普通单数可数名词要变为复数形式,但当名词修饰名词表示“性质”时,作修饰语的名词不必变化例如: This is an apple tree. 这是一棵苹果树These are apple trees. 这些是苹果树 6+1. 单数句变复数句时,句中的形容词定冠词副词疑问词介词短语和感叹词等都保持不变例如: Who is she? 她是谁?Who are they? 他们是谁? He is young. 他年轻They are young. 他们年轻 单数句变复数句精炼一. 将下列单数句变为复数句 1 This is a box. 2 Is that a pear？ 3 She is a girl student. 4 I like her. 5 The book is mine. 6 This is her sweater. 7 I am a woman teacher. 8 He is a man doctor. 9 She is an English girl. 10 He likes his bike.二. 将下列复数句变为单数句 1 What are these？ 2 They like their old bikes. 3 These are my Chinese dictionaries.4 These are（some）oranges.5 Are those（any）sheep？ 6 They are white teeth. 7 We like them. 8 These are（some）knives. 9 Are those（any）pink scarves？ 10. They like their babies. 单数句变复数句精炼答案一 将下列单数句变为复数句1.This is a box.- These are（some）boxes .2.Is that a pear？-Are those（any）pears？3. She is a girl student. They are girl students.4. I like her.We like them.5. The book is mine.-The books are ours.6. This is her sweater.These are their sweaters.7. I am a woman teacher.-We are（some）women teachers.8. He is a man doctor.- They are（some）men doctors.9. She is an English girl.- They are (some) English girls.10. He li