如果您需要使用本文档，请点击下载按钮下载!单数句子变复数句子变法六条规则1、 人称代词主格变成相应的主格复数。2、 Am、is 变成are。3、 不定冠词an、a要去掉。4、 普通单数名词变成复数名词。5、 指示代词this、that变成these、those。6、 Man和woman作定语修饰可数名词时，要在“数”上与被修饰的名词保持一致。巩固练习：1、 This is a pen ._2、 Is that a pencil-box ?_3、 He is a good boy ._4、 Is it a ruler ? _5、 I am an English teacher._6、 This is my new book._如果您需要使用本文档，请点击下载按钮下载!7、 That blue eraser is mine._8、 Whats this in English ?_9、 I am a student._10、 She has a pen ._11、 Is it an apple?_12、 This is my pen ._13、 He likes his jacket ._14、 Is that an apple tree?_15、 He is an English teacher._16、 Whats your phone number?_17、 Where is your pen ?_如果您需要使用本文档，请点击下载按钮下载!18、 Are you in Class 1?_19、 Is that his brother? No ,it isnt._20、 Is she my teacher? Yes ,she is ._21、 I am at home ._22、 He can sing the song ._23、 She is a girl._24、 I like her. _25、 I am a teacher ._26、 She is a woman teacher._27、 That is a key ._28、 What color is it ?_如果您需要使用本文档，请点击下载按钮下载!29、 Is this your cousin?_30、 She is a nice girl._复数句子变单数句子1、 what are these？_2、 They like their bikes ._3、 These are my books ._4、 These are books._5、 Are these pens ._6、 They are boy students ._7、 We are fine ._8、 They are techers._9、 Here are our pen .如果您需要使用本文档，请点击下载按钮下载!_10、 These are his new friends._ （注：可编辑下载，若有不当之处，请指正，谢谢!）