= @leads.length == 1 ? 'is' : 'are'

ActiveSupport::Inflector.inflections do |inflection|
  inflection.irregular "is", "are"
end

pluralize(@leads.length,'is')

2 are

def pluralize_no_count(count, singular, plural = nil)
  ((count == 1 || count == '1') ? singular : (plural || singular.pluralize))
end

Inflector.inflections do |inflection|
  inflection.irregular "is", "are"
end

'is'.pluralize # => 'are'