it is high time we turned our attention to this problem

it is high time we turned our attention to this problem
it is high time we turned our attention to this problem

it is high time we turned our attention to this problem
是时候把注意力集中到这个问题上了

it is high time we turned our attention to this problem.
现在是时候我们把注意力转移到这个问题上了。

现在是我们把注意力放在这个问题上的时候了

我们该关注这个问题了。
it is high time that-cl中，从句中要用虚拟语气，其谓语动词用一般过去式，或should + 动词原形（should不可省略) 。

是时候集中精力正视这个问题了（这是一个虚拟句式，It is high time +从句（过去时））