正在

• In the slack period mr. baker came in .
  正在空闲的时候贝克先生进来了。
• We are making changes in various directions .
  我们正在多方面进行改革。
• We are still in the process of moving house .
  我们还正在搬着家呢。
• I find him, the wandering grey bard .
  我发现了正在徘徊的衰老游唱诗人。
• The net around yugoslavia was closing .
  对南斯拉夫张下的罗网正在收紧。
• Bill laid down the egg he was peeling .
  比尔放下手里正在剥的鸡蛋。
• The floods are sinking rapidly .
  洪水正在急退中（水位迅速降低）。
• She was involved in working out a puzzle .
  她正在聚精会神于猜谜。
• When we arrived they were closing down .
  我们到时，他们正在关门。
• Preparations for the meeting are in progress .
  会议的准备工作正在进行。