小学英语基础知识点归纳（7）
小学英语基础知识点归纳（7）——句子单数变复数，注意以下五要素
(1)主格人称代词要变成相应的复数主格人称代词，即I→we， you→you，she，he，it→ they。
如：She is a girl. →They are girls.
(2)am，is要变为are。
如：I’m a student. →We are students.
(3)不定冠词a，an要去掉。
如：He is a boy. →They are boys.
(4)普通单数名词要变为复数形式。
如：It is an apple. →They are apples.
(5)指示代词this，that要变为these，those。
如：This is a box. →These are boxes.
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