If the rule about the indefinite article is:
'a' is used before nouns starting with a consonant.
Why is 'an' used in the following sentence:
I want to work in an outstanding company.
You need to deepen your understanding of this topic. eg a egg , eg a economy . We resolve this difficulty by saying eg an egg eg an economy , because t his is much easier to pronounce.
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You need to deepen your understanding of this topic.
The underlying problem is that native speakers of English find it hard to pronounce two consecutive vowel sounds, .eg a egg, eg a economy. We resolve this difficulty by saying eg an egg eg an economy, because this is much easier to pronounce.
Now let's consider your example.
I
LionHeartIV'a' is used before nouns starting with a consonant.
Not quite correct.
"a" is used before words beginning with a consonant sound.
"an" is used before words beginning with a vowel sound.
What is the difference between a vowel sound and a consonant sound? Here is a chart of all the vowel sounds.
LionHeartIV'a' is used beforenounswords starting with a consonant.
(And 'an' is used before words starting with a vowel.)
"outstanding" doesn't start with a consonant. It starts with a vowel.
(As already mentioned above, "consonant" and "vowel" refer to consonant and vowel sounds