在七年级英语教学中,当我们说到冠词,大家一定会想到a,an和the这三兄弟。1.不定冠词“a,an”的基本用法:(1)不定冠词有a和an两种:a用于辅音音素开头的词前,例如:a dog.an用于元音音素开头的词前,例如:an apple; In the seventh grade English teaching, when we talk about the article, we will certainly think of a, an and the three brothers. 1. Indefinite article “a, an ” basic usage: (1) Indefinite articles have two kinds of a and an: a for the beginning of the consonant phoneme, for example: a dog.an for vowel phonemes Before the beginning of the word, for example: an apple;