The exception, which is not really an exception, is that words that start with a vowel but are *pronounced* with a consonant sound, use A, not AN.
This is actually the rule: AN precedes words that begin with a vowel sound (not a vowel).
In English grammar, a noun is a word for a person, place, thing, or idea. Some examples are:PersonmotherchildunclegrandmotherlawyerdancerPlacecontinentcountryharborcityprovincevillageThingapplebottlecatdoorelephantgarageIdeahopeindependencejoyknowledgelegendmemory
The word proves in this context means "tests the validity of." The expression is generally misunderstood to mean that the exception somehow demonstrates the validity of the rule.
(B) The word for the application of proper English usage is "grammar".
Grammar is the set of rules that defines word formation, syntax, inflections and proper usage of a language.
It might be, under certain circumstances, although the construction would be very peculiar in any case. Not wrong, necessarily, because the famous rule about not ending a sentence with a preposition refers to Latin grammar, not to English grammar.
The word "weird" is an exception to the rule "i before e except after c".
The rule of language is grammar.
Another word for rule of language is Grammar.
Explain
"Of" is a preposition.
In English grammar, a noun is a word for a person, place, thing, or idea. Some examples are:PersonmotherchildunclegrandmotherlawyerdancerPlacecontinentcountryharborcityprovincevillageThingapplebottlecatdoorelephantgarageIdeahopeindependencejoyknowledgelegendmemory
The word "without" is a preposition.
noun
tense form
It means "grammar".
Aboslutely. Every language has its exceptions to this rule (an example of such an exception being the word sheep in English) but, most of the time, pluralization is morphological.
Exception.