having been doing是什么时态怎么翻译

What? Jews having been doing it on Christmas since forever.

什么？犹太人向来都是这样过圣诞节的。

There is absolutely no point doing something if you are not having fun doing it.

如果做的事情没有乐趣，就完全没有必要做它。

I'm having fun doing this!

和她在一起我感觉太开心太有趣了！

I really feel I am doing something worthwhile and I am having a great time doing it.

我的.确觉得自己在做一些值得做的，也很高兴去做。

I'm having problems with my Internet connection.

我的互联网连接有问题。