Определите, какую грамматическую функцию выполняют окончания - s (-es). 1. When they watch television commercials, they discover that there are thousands of things they or their parents could buy. 2. In the role of consumer, a person buys goods and services for personal use, not for resale. 3. Consumer goods are products, such as food, clothing, and cars, that satisfy people's economic needs or wants. 4. A producer makes the goods or provides the services that consumers use. 5. A person who makes lemonade and then sells it is producing goods.

1. When they watch television commercials, they discover that there are thousands of things they or their parents could buy.

Commercials, thousands, things, parents - показателем множественного числа имени существительного.

2. In the role of consumer, a person buys goods and services for personal use, not for resale.

Buys - окончанием глагола в 3 лице единственного числа в Present Simple.

Goods, services - показателем множественного числа имени существительного.

3. Consumer goods are products, such as food, clothing, and cars, that satisfy people's economic needs or wants.

Goods, products, cars, needs, wants - показателем множественного числа имени существительного.

People's - признаком притяжательного падежа имени существительного.

4. A producer makes the goods or provides the services that consumers use.

Makes, provides - окончанием глагола в 3 лице единственного числа в Present Simple.

Goods, services, consumers - показателем множественного числа имени существительного.

5. A person who makes lemonade and then sells it is producing goods.

Makes, sells - окончанием глагола в 3 лице единственного числа в Present Simple.

Goods - показателем множественного числа имени существительного.