Translate the sentences paying particular attention to the infinitive forms.
НЕЛБ
1. Economics is supposed to study people producing and exchanging goods and services.
2. Economics is supposed to have studied people producing and exchanging goods and services.
3. Economics is supposed to be studying people producing and exchanging goods and services.
4. Economics is supposed to have been studying people producing and exchanging goods and services.
5. Economics is supposed to be studied by people producing and exchanging goods and services.
6. Economics is supposed to have been studied by people producing and exchanging goods and services.
ответ: there are many places to see in russia. the favourite place for tourists is red square. it is a big and ancient castle. we have beautiful black sea. also, some cities are good places to visit in russia. moscow-the capital of the russia. we have many resort towns like an anapa,sochi and so on. there is a beatiful lake baikal. it is the deepest lake in the world. also we have guamskoe gorge. it is a beautiful place to visit. you can go fishing, because russia is the good fish place. you must to visit lenin's mausoleum. visit to russia cannot be considered complete without a visit to kremlin. if you want to take some gifts you need to go to old arbat. also you need to go to tretyakov art gallery. there are the major russian works of art. it is the good places to visit in russia
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