Какие три формы у слова play

Since ancient times Nature has served man, being the source of his life. For
thousands of years people lived in harmony with environment and it seemed to them
that natural riches were unlimited. But with the development of civilization man’s
interference in nature began to increase.Every year world industry pollutes the
atmosphere with about 1000 million tons of dust and other harmful substances. Many
cities suffer from smog. Vast forests are cut and burn in fire. Their disappearance
upsets the oxygen balance. As a result some rare species of animals, birds, fish and
plants disappear forever, a number of rivers and lakes dry up.The pollution of air and
the world’s ocean, destruction of the ozone layer is the result of man’s careless
interaction with nature, a sign of ecological cities. Environmental protection is of a
universal concern. That is why serious measures to create a system of ecological
security

yesterday.

2. Have you seen Alan? ---> (ten minutes ago) Yes, I ___ ten minutes ago.

3. Hve you painted the gate? ---> (last week) Yes, we ___ it ___ .

4. Has Sarah gone to France? ---> (on Friday) Yes, she _____.

5. Have they had dinner? ---> (at 7 o'clock) ________.

6. Has he started his new job? ---> (yesterday) _________.

Julie (sleep) at three o'clock.
You (study) at three o'clock.
Luke (read) at three o’clock.
I (work) at three o’clock.
They (eat) chocolate at three o’clock.
John (play) tennis at three o’clock.
We (watch) TV at three o’clock.
He (use) the internet at three o’clock.
You (cook) lunch at three o’clock.
We (travel) to London at three o’clock.

Подчеркните встречающиеся в них суффиксы и дайте исходные формы этих слов:

Exporter, famous,
generally, changeable, fishing, production, industrial, practically, powerful, beautiful.

окончанием – s и какую функцию это окончание выполняет, т.е. служит ли оно:

а) показателем 3-го лица единственного числа глагола в Present Simple;

б) признаком множественного числа имени существительного;

в) показателем притяжательного падежа имени существительного (см. образец выполнения 1).

Переведите предложения на русский язык.

отправил его искать изрезанную газету?4. What musical instrument can Sherlock Holms play?5. Name the person: “A dabbler in science, a picker-up of shells on the shores in the greatunknown ocean.”6. Where is the heir of Sir Charles Baskerville from?7. What was the breed of the dog in the story “The Hound of the Baskervilles”?8. Who was Sir Charles waiting for at the night of his death?