Material Obligatorio Grammar

G R AMMAR Adjective is the word/s that describe the noun in a sentence. Comparative Adjective is the name for the grammar used when comparing two things. One basic way to compare is using as .. as. Examples of as… as are shown below: When comparing with as .. as, the adjective does not change. It can be Negative and positive.  She's twice as old as her sister.  This book is not as exciting as the last one.  He's not as stupid as he looks!  The cafeteria is not as crowded as usual.  I'm almost as good in maths as in science.  Russian is not quite as difficult as Chinese.

When comparing with than, however, some changes are necessary, depending on the number of syllables the adjective has. One-syllable adjective

Spelling ONE syllable adjectives

Comparative Rules

If the one-syllable adjective ends with

Examples

1

IDI 2.0

With most one-syllable adjectives add –er.

If the one-syllable adjective ends with a single consonant with a vowel an e, just add –r.

before it, double the consonant and add –er.

One-Syllable Adjective

Comparative Form

tall old long

taller older longer

 Mary is taller than Max.  My hair is longer than your hair.

One-Syllable Adjective Comparative Form One-Syllable Adjective Comparative Form

big

bigger

large

larger

thin

thinner

wise

wiser

fat

fatter

 Mary's car is larger than Max's car.  Max is wiser than his brother.

Schlesinger, Alejandra Yael

 My dog is bigger than your dog.  Max is thinner than John.

2009

Syllables ending in Y change the -y to -ier   

She's looking happier today. This grammar topic is easier than the last one. Why is everyone else luckier than me?

Examples

Comparative Rules

Two and three -syllable adjective

IDI 2.0

Spelling TWO syllable adjectives

With most two-syllable adjectives, you form

If the two-syllable adjectives ends

Two-syllable adjectives ending in –er,

the comparative with more, but there are

with –y, change the y to i and add –

-le, or –ow take –er

some exceptions.

er.

TwoComparative Superlative Syllable Form Form Adjective peaceful more peaceful most peaceful most pleasant more pleasant pleasant careful more careful most careful more most thoughtful thoughtful thoughtful

Two-Syllable Adjective

Comparative Form

happy

happier

angry

angrier

busy

busier

Two-Syllable Adjective -ow narrow gentle

Comparative Form narrower gentler

 The roads in this town are  This morning is more peaceful than

 John is happier today than he was

yesterday morning.  Max is more careful than Mike.

yesterday.  Mary is busier than Max.

Schlesinger, Alejandra Yael

narrower than the roads in the city.  Big dogs are gentler than small dogs.

2009

In the superlative you talk about one thing only and how it is the best, worst, etc. You do not compare two things. One-syllable adjective

Spelling ONE syllable adjectives If the one-syllable adjective ends with

Superlative Rules

3

With most one-syllable adjectives add –est

If the one-syllable adjective ends with a single consonant with a vowel

for the superlative.

an e, just add –st.

before it, double the consonant and add –est.

Examples

One-Syllable Adjective Superlative Form

One-Syllable Adjective

Superlative Form

tall

tallest

One-Syllable Adjective with Final -e

Superlative Form

big

biggest

old

oldest

large

largest

thin

thinnest

long

longest

wise

wisest

fat

fattest

 Mary is the tallest of all the students.  Max's story is the longest story I've

ever heard.

 My dog is the biggest of all the  Mary's house is the tallest of all

the houses on the block.  Max is the wisest person I know.

dogs in the neighborhood.  Mary is the thinnest person I've ever seen.

Syllable adjectives ending in Y: change the -y to -iest (plus the)   

IDI 2.0

The richest people are not always the happiest. Which do you think is the easiest language to learn? She's the luckiest person I know.

Schlesinger, Alejandra Yael

2009

EXCEPTIONS

IRREGULAR ADJECTIVES

Two-syllable adjectives that follow two rules. These adjectives can be used with -er and -est and with more and most.

compartatives and superlatives.

Two-Syllable Adjective Comparative Form Superlative Form clever cleverer cleverest clever more clever most clever gentle gentler gentlest gentle more gentle most gentle friendly friendlier friendliest friendly more friendly most friendly quiet quieter quietest quiet more quiet most quiet simple simpler simplest simple more simple most simple

Rules Examples

Irregular adjectives do not follow ANY rule to form

 Big dogs are gentler than small dogs.  Of all the dogs in the world, English Mastiffs are the

gentlest.  Big dogs are more gentle than small dogs.  Of all the dogs in the world, English Mastiffs are the most

IDI 2.0

   

Irregular Adjective

Comparative Form

Superlative Form

good

better

best

bad

worse

worst

far

farther

farthest

little

less

least

many

more

most

Italian food is better than American food. My dog is the best dog in the world. My mother's cooking is worse than your mother's cooking. Of all the students in the class, Max is the worst.

gentle.

Schlesinger, Alejandra Yael

2009