“for + 一段时间”结构常与六种时态连用：
1.现在完成时。
2. 现在完成进行时。
3. 过去完成时。
4. 过去完成进行时。
5. 一般过去时 (考的最频繁）。
6. 将来完成时 。
拓展资料
for + 一段时间
1、美国人力资源管理协会（Society for Human Resource Management）11月份警告其成员，清除手机数据之举今后一段时间可能会在法庭上接受考验。
The Society for Human Resource Management in November warned its members that phone wiping 'will likely be tested through the courts in the days and months ahead.'
2、来自智库未来资源研究所（Resources for the Future）的经济学家莫利？麦考利（Molly Macauley）曾对这问题进行过一段时间的思考。
Economists such as Molly Macauley of Resources for the Future, a think-tank, have been pondering this problem for some time.
3、但对于其他人，和我一样，也可能是某种东西，是给我的救济只是可能不是一个'更高的目标'，所以我个人是垂直放置在这个星球上，为这一段时间的。
But for others, like me, it is something that is giving me relief that there just might not be a'higher purpose'why I personally was placed vertically on this planet for this period of time.
4、这和之前人们认为的不吃早餐会使人之后进食更多的想法截然相反。然而，吃早餐的人确实会因为更加活跃消耗更多能量约442大卡，尤其是在早饭后那一段时间。
This goes against the long-held theory that people who skip breakfast simply make up for it by gorging on food later on. However, breakfast eaters were likely to expend more energy-around 442 calories-by being active, mainly in the morning after eating.
5、不久以前，本地高级人才还对跨国公司的职位青睐有加，因为那里的学习、提升和培训机会都比较多，收入也高，而且还有可能派驻海外生活或工作一段时间。
Not too long ago, top local talent mostly preferred to work for MNCs because of learning, advancement, training and income opportunities including the chance to live and work abroad for a time.
6、这样做虽然解决了数据争用问题，但是在并发性方面付出了更多的代价，因为在迭代期间锁住整个List会阻塞其他线程，使它们在很长一段时间内不能访问这个列表。
This addresses the data race, but has further costs for concurrency, since locking the entire List while iterating could block other threads from accessing the list for a long time.
7、在本文中，您研究了一些相关的方法，可用于扫描您的网络以寻找主机和打开的端口、记录相关的信息并在经过一段时间之后对信息进行比较。
In this article, you've examined methods for scanning your network to find hosts and open ports and how to record and compare that information over time.
8、由于这个原因，如果装载上一组用户令处理器的负载达到极限，基准测试往往缩短装载时间，留出一段时间用于评测稳定状态。
For this reason, benchmarks tend to scale back the timing for loading the last set of users if they are pushing the processor to its limit and to allow some time before measuring the steady state.