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 televisioncommer­cial, they discover that there are thousand ofthings(mnojestvennoe ceslo) they or their parents(  mnojestvennoe ceslo)  could buy. 2.        in the role of consumer, a person buys(present simple) goods (mnojestvennoe ceslo) andservices(mnojestvennoe ceslo)    for personal use, not for resale. 3.        consumer goods are products(mnojestvennoe ceslo)  , such as food, clothing,and cars(mnojestvennoe ceslo)  , that sat­isfy people's economicneeds(present simple) or wants(present simple). 4.        a producer makes  (present simple)the goods (  mnojestvennoe ceslo) orprovides  (present simple)the services(mnojestvennoe ceslo)    that consumers( mnojestvennoe ceslo)use. 5.        a  person who makes(present simple) lemonade andthen sells(present simple) it is producing goods(mnojestvennoe ceslo).

1) 1. will our planet be in danger in the future? 2. will our planet be or not in danger in the future? 3. our planet will be in danger in the future, won't it? 4. when will our planet be in danger? 5. what will be in danger in the future? 2) 1. have they watched a very interesting film? 2. have they watched a very interesting or a very boring film? 3. they have watched a very interesting film, haven't they? 4. what have they watched? 5. who has watched a very interesting film?