during用现在完成时时态。during作为介词，中文含义为“在……期间”、“在……期间的某个时候”，during+时间，意为“在某段时间里”，常用作现在完成时的时间状语。
during的中文含义及用法介绍
during作为介词，意为在…期间;在…期间的某个时候。例句有：
1、There are extra flights to Colorado during the winter.
冬季有飞往科罗拉多的增开航班。
2、He was taken to the hospital during the night.
他在夜间被送到医院。
3、I use the Internet at work, during my lunch hour.
我上班时在午餐时间使用互联网。
4、I stalled the car three times during my driving test.
我考驾照时车子熄了三次火。
5、Black walls absorb a lot of heat during the day.
黑色墙壁在白天吸收大量的热。
6、Use of computers spread rapidly during that period.
在那个时期，计算机的应用迅速流传开来。
7、He met a lot of interesting people during his life as a student.
他在学生时代接触过许多有趣的人。
8、Many jobs in manufacturing were lost during the recession.
在经济衰退期，制造业有很多人失业了。
9、Many Irish people went over to America during the famine.
许多爱尔兰人在饥荒时期迁徙到美国。
10、Please make sure all mobile phones are switched off during the performance.
请确保演出时关上所有手机。
