Дайте отрицательную и вопросительную форму предложений. 1) there were a lot a of famous people in the exhibition. 2) there is something on the shelf. 3) there well be somebody at the time.
1) There weren't a lot of... 2) Were there a lot of... 3) There isn't something... 4) Is there something... 6) There will not be somebody... 7) Will be there somebody... P.S. вместо многоточия будет идти продолжения предложений.