如：
free可以表示自由的或空闲的，后面不加介系词。
The government will be free to pursue its economic policies.政府将可不受限制地实行其经济政策。
The elections were free and fair.选举是自由公正的。
Economists argued that freer markets would quickly revive the region's economy.经济学家认为更加自由的'市场将使这个地区的经济迅速复苏。
He fears that until state subsidies are removed, Russia will never have a truly free press.他担心在取消国家补助之前，俄罗斯将根本不会有真正自由的媒体。
Dogs were allowed to roam free and 48 sheep were killed.没有对狗加以约束而让它们四处乱跑，结果有48只羊被咬死。