free的名詞形式是什麼

如：

free可以表示自由的或空閒的，後面不加介係詞。

The government will be free to pursue its economic policies.政府將可不受限制地實行其經濟政策。

The elections were free and fair.選舉是自由公正的。

Economists argued that freer markets would quickly revive the region's economy.經濟學家認爲更加自由的.市場將使這個地區的經濟迅速復甦。

He fears that until state subsidies are removed, Russia will never have a truly free press.他擔心在取消國家補助之前，俄羅斯將根本不會有真正自由的媒體。

Dogs were allowed to roam free and 48 sheep were killed.沒有對狗加以約束而讓它們四處亂跑，結果有48只羊被咬死。