Ex.1. перепишите предложения, поставив глагол в указанную видовременную форму, и переведите их. 1) during the world war ii, americans [to live – past perfect active] under a controlled economic system: foodstuffs and essential goods [to ration – past continuous passive], wages and salaries [to freeze – past perfect passive], ceiling prices [to fix – past perfect passive] and strikes [to forbid – past perfect passive]. after the war, with the return to free market system, prices quickly [to increase – past indefinite active]. at the end of 1946, the consumers [to pay – past continuous active] nearly twice as much for food and clothing as such items [to cost – past perfect active] in 1939. 2) nowadays, a lot of companies [to engage – present continuous active] in electronic commerce by means of the internet. detailed information about companies’ products [to put – present continuous passive] on their web sites, and the customers [to have – present indefinite active] an opportunity to compare qualities and prices of goods proposed by different firms