Помогите пожалуйста очень срочно!

Помогите пожалуйста очень срочно! Что это за слова в скобках (Present, Past или Future Simple действительного или страдательного залога.)? 1. A restriction on supply occurs when a market (is monopolized) by a single firm.2. At the next annual meeting of shareholders a new director (was elected) and major policy decisions (are made).3. In the late 19th century, the corporation (is viewed by) many as the chief instrument of monopoly.4. Prices are usually (increase) from one year to the next.5. Adam Smith realized that a nation’s wealth (depends) on its ability to produce goods.