an
An is an indefinite article used before singular countable nouns that begin with a vowel sound. It functions to indicate a non-specific person or thing, similar to the number one.
例句
3 / 5I ate an apple for lunch today.
I ate an apple for lunch today.
The candidate has an exceptional academic record.
The candidate has an exceptional academic record.
Do you have an extra umbrella I can borrow?
Do you have an extra umbrella I can borrow?
词族
记忆技巧
Think of the 'n' in 'an' as a bridge that helps you cross over to the next vowel sound without stopping your breath.
快速测验
I will be ready in ___ hour.
正确!
正确答案是: an
例句
I ate an apple for lunch today.
everydayI ate an apple for lunch today.
The candidate has an exceptional academic record.
formalThe candidate has an exceptional academic record.
Do you have an extra umbrella I can borrow?
informalDo you have an extra umbrella I can borrow?
An unexpected result occurred during the experiment.
academicAn unexpected result occurred during the experiment.
We need an agreement before the end of the day.
businessWe need an agreement before the end of the day.
词族
常见搭配
常用短语
an eye for an eye
an eye for an eye
an apple a day
an apple a day
half an hour
half an hour
容易混淆的词
'a' is used before consonant sounds, while 'an' is used before vowel sounds.
'and' is a conjunction used to connect words, whereas 'an' is an article used before a noun.
使用说明
Use 'an' when the following word begins with a vowel sound, even if the first letter is a consonant (e.g., 'an hour'). Do not use 'an' if a vowel letter sounds like a consonant (e.g., 'a university').
常见错误
Learners often use 'a' before silent 'h' words like 'hour' or use 'an' before 'u' words that sound like 'y' such as 'university'.
记忆技巧
Think of the 'n' in 'an' as a bridge that helps you cross over to the next vowel sound without stopping your breath.
词源
Derived from the Old English word 'an', which originally meant 'one'.
语法模式
文化背景
In some dialects, 'an' is traditionally used before 'historic', though 'a historic' is now standard.
快速测验
I will be ready in ___ hour.
正确!
正确答案是: an
相关语法
相关词汇
相关词
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tribute
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