Page 113 - Complete Key for Schools Student's Book

Unit 5 Prepositions of time at, in, on

Comparatives and superlatives We use at for before clock times, the weekend, night, and
for mealtimes and some holidays:
We use comparative adjectives to compare two people or I do my homework at the weekend.
things: Daniel is taller than Simone. I go to bed at 9 o’clock.
We use superlative adjectives to compare one person or We use in for parts of the day, and long time periods like
thing to the rest of its group: months, seasons, and years:
Daniel is the tallest in his class. We sometimes go skiing in February.
adjective comparative superlative I play tennis in summer.
We use on for days and dates:
small smaller the smallest
I go shopping on Saturdays.
fast faster the fastest My birthday is on 21st July.
big bigger the biggest
Exercise
fat fatter the fattest
Put the words and phrases in the correct column.
pretty prettier the prettiest
6.30 autumn Fridays lunchtime night Saturday
happy happier the happiest September the 21st July the evening
good better the best
at in on
bad worse the worst
interesting more interesting the most interesting

spelling rules
one syllable adjectives: add -er and -est
adjectives ending in vowel + consonant: double the
consonant and add -er and -est
adjectives ending in -y: remove -y, add -ier and -iest
some adjectives are irregular Unit 6
adjectives with three or more syllables: add more and have to
the most
We use have to and has to to talk about things that are
Exercise necessary:
Complete the conversations with the comparative We have to wear a uniform at our school.
and superlative forms of the adjective in brackets. My brother has to train for the marathon.
1 A: Jerry is the fastest runner in our We use don’t have to and doesn’t have to to talk about
school. (fast) things that are not necessary:
B: No, he isn’t! I’m than him. You don’t have to get all the answers right.
2 A: Football is than tennis. She doesn’t have to come if she doesn’t want to.
(exciting) affirmative negative
B: No, it isn’t. I think tennis is I / You / have to don’t have to
game in the world.
3 A: My shoes are than your We / They study.
shoes. (big) He / She / It has to doesn’t have to
B: I know. I think you have
feet in our family. questions short answers
4 A: This film is than the last Do I / you / Yes, I do. / No, we don’t.
one. (funny) we / they
B: I agree. It’s film ever. Does he / have to work? Yes, he does. / No, it
5 A: Is Susan singer in our class? she / it doesn’t.
(bad)
B: No. You’re than she is!

Grammar reference 111