什么叫复数句(复数句型是什么)
单数句变复数句的规则口诀 am, is 变为 are。 如:Im a student. →We are students 不定冠词 a, an 要去掉固定搭配除外。如:He is a boy. → They are boys.可数名词单数要变为复数形式。如:Im a student. →We are students.4.不定冠词a an 表示“一个”,只能用在单数句中,当变成复数句时,一定要把a
单数句变复数句的规则口诀 am, is 变为 are。 如:Im a student. →We are students 不定冠词 a, an 要去掉固定搭配除外。如:He is a boy. → They are boys.可数名词单数要变为复数形式。如:Im a student. →We are students.4.不定冠词a an 表示“一个”,只能用在单数句中,当变成复数句时,一定要把a