英语语法分析

Can ironworker control the quality of the iron they make then?

那时炼铁工人能够控制他们所炼的铁的质量吗？

Could ironworker control the quality of the iron they made then?

那时炼铁工人能够控制他们所炼的铁的质量吗？

Vanessa had become an ironworker and had got a job building casinos.

瓦妮莎成为了一名铁工，得到了修建赌场的工作。