Составьте отрицательную форму предложений the children's costumes were scary. there was an owl in the house. the old lady offered the children some treats. mum believed the children's story

1) the children's costumes were not scary at all(at all) - переводится как "совсем"Костюмы детей были совсем не страшные.2) There wasn't any owl in the house3) the old lady didn't offered the children any treats4) Mum didn't believed the children's story