3.7
504
%D0%B0%D0%BD%D0%B3%D0%BB%D0%B8%D0%B9%D1%81%D0%BA%D0%B8%D0%B9 %D1%8F%D0%B7%D1%8B%D0%BA %D1%82%D0%B5%D1%81%D1%82%D1%8B %D1%81 %D0%BE%D1%82%D0%B2%D0%B5%D1%82%D0%B0%D0%BC%D0%B8. %D0%BE%D0%BF%D1%80%D0%B5%D0%B4%D0%B5%D0%BB%D0%B8%D1%82%D0%B5 %D0%BD%D0%B0%D0%B7%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5 %D1%84%D0%BE%D1%80%D0%BC%D1%8B %D0%BF%D0%BE %D0%BF%D1%80%D0%B8%D0%B2%D0%B5%D0%B4%D0%B5%D0%BD%D0%BD%D0%BE%D0%BC%D1%83 %D0%BF%D1%80%D0%B8%D0%BC%D0%B5%D1%80%D1%83%3A to have helped. a%29 gerund. b%29 perfect infinitive active