Елена Васильева - English grammar - 100 main rules

Fractional Numerals

Common fraction

The numerator is a cardinal number; the denominator is an ordinal number.

1/2 – one (a) half

1/3 – one (a) third

1/4 – one (a) quarter

1/5 – one (a) fifth

1/6 – one (a) sixth

If the numenator is more than one, then the denominator is used in plural.

2/3 – two thirds

3/4 – three quarters

5/6 – five sixths

Decimal fraction

Each digit is pronounced separately.

25. 105 – two five point one nought five

0.746 – nought point seven four six

Operations with Numerals

1. Addition

1+2=3 – one plus two is (equals) three; 1, 2 – the addends, 3 – the sum

2. Subtraction

3–2=1 – three minus two is (makes) one; 3 – the minuend, 2 – the subtrahend, 1 – the difference

3. Multiplication

3*2=6 – three multiplied by two/twice three is six; 3 – the multiplicand, 2 – the multiplier, 6 – the product

4. Division

6:2=3 – six divided by two is three; 6 – the dividend, 2 – the divisor, 3 – the quotient

Syntactical Functions of Numerals

1. Attribute

Do you know the seven wonders? This is Andrew's third trip abroad.

2. Subject

Four of them didn't join us.

2004, 2008 and 2012 are leap years.

3. Predicative

They were the first.

It's five o'clock.

4. Object

How many apples has he eaten? He's eaten three.

Show me those two, please.

Note

Intensive pronouns do not substitute nouns, but intensify their meaning.

You must make that choice yourself.

Andrew repaired the bike himsel f.

We want to go there ourselves.

Demonstrative Pronouns

Demonstrative pronouns point to a certain object or person that can be either near or far in distance or time.

Note

1) Attribute

This situation is incredible.

We met that man on the station.

Would you quit your job under these circumstances?

Those shoes were so cute!

That girl has such a voice!

Such rules usually take effect.

They work at the same department.

Why are you asking me the very same questions?

It's possible to use demonstrative pronouns before the word one.

These apples are sweeter than those ones.

Andrew is an intelligent young man. Yes, he is such one.

That's the same one I've been looking for!

The demostrative pronoun may be positioned before the adjective that refers to the same noun.

This pretty girl is my sister.

What are these strange conclusions?

It's such a wonderful life.

It's always the same old story.

2) The demonstrative pronoun can also be used in place of nouns.

– Subject

This must not continue.

Those were the days.

– Object

Will you take this?

Don't tell them that.

Andrew can't work with those.

some

– statements

I need some information about language courses.

Some of the m istakes were silly.

– offers and suggestions

Would you like some tea?

Shall I bring some refreshments?

– requests

Where can I get some paper?

Could you give us some examples?

any

– negative sentences

Olivia didn't know any of them.