英语单数句变复数句ppt课件
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第一节 单数句变复数句【知识梳理】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,十全十美题做完。
1例1 She is a girl . They are girls .例2 I like her. We like them.2 、指示代词由单数变复数:例1 This is a book . These are (some )books .例2 Is that a pen ? Are those (any )pens ?3、反身代词:第一人称 myself ourselves第二人称 yourself yourselves第三人称 himself themselves( herself, itself )【例题精讲】例1 I am teaching myself computer.We are teaching ourselves computer.例2 The child himself draws this picture.The children themselves draw these pictures.4、 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 theirs2 形容词性物主代词:my our ,your your ,his/her/its their例1 The book is mine. The books are ours.例2 This is her pen. These are their pens.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1 This is my book . These are my books .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。