How do A and An slip the tongue out?

A and an usage slips smoothly, remember this mantra and you will learn.

A and an usage slip by:Indefinite articlea and an, singularCountable nounsFormer; If the consonant is first written in the word, only a is added before the word; If the vowel is played at the beginning of the word, the word before the word dare not be forgotten; The indefinite article is quite one, but does not emphasize the concept of numbers; The indefinite article is crucial, and the four referents are remembered. (per finger, generic finger, generic finger and a certain finger).

"a" and "an" are indefinite articles, for the convenience of pronunciation, in vowel phonemes.

The singular noun of the countable noun at the beginning is preceded by an instead of a.

Usage of a and an:

Used in consonant letters.

Beginning, or a vowel letter pronounced as a consonant.

The word at the beginning of the word.

Used in front of words that begin with a vowel letter (a, e, i, o, u) or an unpronounced h.

It is also used in front of a single letter that begins with a yuan.

There are no sexual changes.

And an is used before the singular form of a countable noun, and it is used to refer to a noun that is mentioned for the first time in our conversation.

And an is used before a singular noun, of course, it is still a countable noun, indicating - human-like or thing, which is more special and refers to it in general.

7. A and An can be used in **, speed, ratio ratio, frequency and so on. A and an are equivalent to "each" and "one".

8. A and an can be used in some fixed phrases, mainly related to quantity.

The simplest formulas for the use of a and an are as follows:

1. Generally speaking, a is used in front of a word that begins with a consonant, and an is used in front of a word that begins with a vowel.

2. A (or an) is used in front of countable nouns, and uncountable nouns are used.

A (or an) cannot be used in front, such as a healthy boy, but not a health.

3. In specific cases, a (or an) can be used in front of the plural: there are expressions such as a few (books), a greatest many (books) and so on in idioms. Precede a phrase that represents time or money, such as a further five minutes.

In front of a number of words that are plural in form and singular in meaning, such as a barracks, a links. In the American colloquial language, such as a good ways, a long ways.

4. A (or an) sometimes means "one and not the one that wants." a It also means "any". i got a letter indeed，but it was from a friend.

As it turned out, I received a letter, but it was just a letter from a friend.

i wanted to read a book，i did not care whether it was a history，a novel，or a biography.

5. When a is used with few, few is "few and", which means "almost nothing". a few means "several", which means "quite several". Note that only a few is equal to few, which also means "little".

The simplest formulas for the use of a and an are as follows:

1. Generally speaking, a is used in front of a word that begins with a consonant, and an is used in front of a word that begins with a vowel.

2. A (or an) is used in front of a countable noun, and a (or an) cannot be used in front of an uncountable noun, such as a healthy boy can be said, but a health cannot be said.

3. In specific cases, a (or an) can be used in front of the plural: there are expressions such as a few (books) in idioms, a greatest many (books). Precede a phrase that represents time or money, such as a further five minutes.

In front of a number of words that are plural in form and singular in meaning, such as a barracks, a links. In colloquial American, as in a good ways, a long ways.

4. A (or an) sometimes means "one without and one for the one who wants". a It also means "any". i got a letter indeed，but it was from a friend.

In fact, I received a letter, but it was just a letter from a friend.

i wanted to read a book，i did not care whether it was a history，a novel，or a biography.

5. When a is used with few, few is "little" and has the meaning of "almost nothing". a few means "several", which means "quite several". Note that only a few is equal to few, which also means "little".

The simplest formulas for the use of a and an are as follows:

1. Generally speaking, a is used in front of a word that begins with a consonant, and an is used in front of a word that begins with a vowel.

2. A (or an) is used in front of a countable noun, and a (or an) cannot be used in front of an uncountable noun, such as a healthy boy can be said, but a health cannot be said.

3. In specific cases, a (or an) can be used in front of the plural: there are expressions such as a few (books) in idioms, a greatest many (books). Precede a phrase that represents time or money, such as a further five minutes.

In front of a number of words that are plural in form and singular in meaning, such as a barracks, a links. In colloquial American, as in a good ways, a long ways.

4. A (or an) sometimes means "one without and one for the one who wants". a It also means "any". i got a letter indeed，but it was from a friend.

In fact, I received a letter, but it was just a letter from a friend.

i wanted to read a book，i did not care whether it was a history，a novel，or a biography.

5. When a is used with few, few is "little" and has the meaning of "almost nothing". a few means "several", which means "quite several". Note that only a few is equal to few, which also means "little".

The indefinite articles a and an, the consonant after a and the yuan after an, generally refer to a class or one, the tone of the table is weaker than one, and the ordinal number is preceded by the table again, and the most front meaning is extraordinary, abstract matter moves to change its name, turns into a specific usage spirit, uses the wrong a, an is laughed at, the single name is thrown away, refers to all the reed pants, and the wrong position is even more shameless.

Usage of a and an:

1. A and an are used before the singular number of countable nouns, and it should be noted that a is used before the noun q at the beginning of the consonant; An is used in front of a noun at the beginning of a vowel. Everyone should pay attention to distinguishing clearly, vowel consonants, not smooth equal to vowel letters consonant letters.

2. A and an are used before the singular form of countable nouns, and it is used to refer to a noun mentioned for the first time, and we mention it for the first time when we are talking, for example, Mu Lap.

i need an english grammar book.I need an English grammar book.