Перепишите предложения, подчеркните глаголы to be и to have, определите их функцию и переведите предложения на язык. 1.the reason why the law of demand works is quite obvious: the money we have is limited. 2.modern economics was really born in the 19th century. 3.smith and other classical economists were writing at a time of great change. 4.most rules have exceptions, but economists agree that there are very few exceptions to the law of demand. 5.companies have to compete with each other for a share of the market.