句子后面有now是什么时态

now表明句子的时态应该是现在时态,包括现在进行时,一般现在时或现在完成时；

如：

He is playing basketball now.现在进行时

Im free now.一般现在时

Ive finished my homework now,so I can go out with you.现在完成时

扩展资料

now有时候用其他时态也是可以的,如一般将来时

如：Now I'll intrdouce myself to you all.一般将来时

例句：

Now she won't have to go out to work any more.

现在她不必再出去工作了。

She'll have had the results by now.

她现在应该知道结果了。

We're used to the noise from the traffic now.

现在我们已经适应车辆往来的噪音了。

This unit is now an established part of the course.

这个单元现在为本课程既定的一部分。