# Welcome to the computer world. Practice materials for 1st year students. Еранина Т.И - 50 стр.

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• ## Иностранный язык

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Articles
Read this Grammar section as you do the Presentation exercise on
page 28. After each rule, there is a letter (А, В, С, etc.). This will
help you to identify the different rules.
A and the
The indefinite article (a or an) is used with singular, countable
nouns to refer to a thing or an idea for the first time. (A)
We have a cat and a dog.
There's a supermarket in Adam Street.
I'm reading a good book.
The definite article (the) is used with singular and plural, countable
and uncountable nouns when both the speaker and the listener know
the thing or idea already. (B)
We have a cat and a dog. The cat is old, but the dog is just a
puppy.
I'm going to the supermarket. Do you want anything? (We both
know which supermarket.)
The book is by Mark Anton. (This is the book I was telling you
about.)
Indefinite article
The indefinite article is used
1 with professions. (C)
I'm a teacher.
She's an architect.
2 with some expressions of quantity. (D)
a pair of (shoes) a little
a couple of (minutes) a few
a hundred a thousand
three times a day
forty miles an hour
3 in exclamations with what + a countable noun. (E)
What a lovely day!
What a pity!
What a terrible hat!
                           50

Articles

Read this Grammar section as you do the Presentation exercise on
page 28. After each rule, there is a letter (А, В, С, etc.). This will
help you to identify the different rules.

A and the

The indefinite article (a or an) is used with singular, countable
nouns to refer to a thing or an idea for the first time. (A)
We have a cat and a dog.
There's a supermarket in Adam Street.
I'm reading a good book.

The definite article (the) is used with singular and plural, countable
and uncountable nouns when both the speaker and the listener know
the thing or idea already. (B)
We have a cat and a dog. The cat is old, but the dog is just a
puppy.
I'm going to the supermarket. Do you want anything? (We both
know which supermarket.)
The book is by Mark Anton. (This is the book I was telling you
about.)

Indefinite article

The indefinite article is used
1 with professions. (C)
I'm a teacher.
She's an architect.
2 with some expressions of quantity. (D)
a pair of (shoes) a little
a couple of (minutes) a few
a hundred a thousand
three times a day
forty miles an hour
3 in exclamations with what + a countable noun. (E)
What a lovely day!
What a pity!
What a terrible hat!