1. placed before one noun phrase when its first spoken sound is a vowel.
1.冠詞A1
釋義
placed before one noun phrase when its first spoken sound is a vowel.
例句
Noor packed an apple and some cheese for the train ride.
an + noun before vowel sound
We waited an hour outside the clinic before the doors opened.
silent h: an hour
Eitan bought an umbrella when heavy rain hit the station.
Aya recorded an interview with the art teacher after class.
Kwame gave an honest answer when the coach asked about practice.
文法句型
an + singular noun
an + adjective + singular noun
用法筆記
Choose an by sound, not spelling. It is also used before words with silent h, such as hour and honest, but English usually keeps a before written vowels pronounced /j/ or /w/, as in a university or a one-day trip.
常見錯誤
❌I waited a hour outside the clinic.
✅I waited an hour outside the clinic.
💡hour begins with a vowel sound, so English uses an.
❌She bought an university guide at the station.
✅She bought a university guide at the station.
💡university begins with a /j/ sound, so English uses a, not an.