出现now是什么时态

例句：

Jim now works in construction.

吉姆现在从事建造业。

I see things differently now.

现在，我看问题的方法不一样了。

These figures are now outdated.

这些数字现在已经过时。

The pressure now was relentless.

压力现在毫无减弱之意。

The TV works perfectly now.

这台电视机现在效果好极了。

She's in kindergarten now.

她现在在上幼儿园。