4. Read the Learn this! box. Then add the words in exercise 2
to the table below.
Countable nouns
Uncountable nouns
beef,
apples,​

у глаголов в прошедшем времени окончания ed

1.accumulating - коплю

2. pocket - карман, имеется в виду - собрал.

3. times an - я получаю пять фунтов каждую неделю

4. save - собирать, копить.

5.salary - зарплата

6. spend - трачу.

1. my sister is leaving to her place at the moment

2.i read this book yesterday

3. you are playing the piano tomorrow

4.we are returning from   the museum now.

5. our friends didn't see mary every day

6. the new school began to work last year

7. he often speaks to me

8. he was discussing the problem the whole morning yesterday

9.i will not be reading this article at 2 o'clock tomorrow.

in the 1960s and 1970s a hippy was a person who opposed the normal standards of society. hippies wore unusual clothes. girls, for example, often wore indian-style silk dresses and men and women usually had long hair. hippies believed in peace, and one of their favourite sayings was «make love, not war». when the hippy movement started in the us ,especially in california, young people showed their peaceful feelings by wearing flowers in their hair. for that reason, they were also called flower people

панки it was a difficult time in 1970. while the hippies were talking about love and peace, punks were full of hate. they thought that normal pop music was boring and listened to aggressive music. punks chose clothes that their parents hated. they wore ripped t-shirts, doc marten boots and leather jackets ,and often had brightly coloured hair.

рейверы in the late 1980s, large parties called raves started up. they usually took place in empty buildings, and  people could dance all night long under techno or acid music. enthusiasts wore the daily clothes convenient for dancing: free t-shirts and jeans. the rave became connected with drugs, and the police often tried to stop them.

пщ-моему, тут можно внести эти изменения, но текст вполне приличный! смотри сама!