Assuming (that) he's still alive, how old would he be now?

假定他还活着，现在有多大年纪了？

《牛津词典》

Grandpa, I couldn't imagine where I would be now without you and Grandma.

爷爷，我无法想象没有您和奶奶我现在会是什么样子。

youdao

What fun it will be now, when you learn to read!

等你学会了读书，那该多有趣啊！

youdao

He says intelligence sources and methods will become known,and Afghans who have helped American forces may now be in danger.

VOA: special.2010.07.31

Where should the mean be now?

现在的平均值会是多少？

麻省理工公开课 - 计算机科学及编程导论课程节选

So, now you have to be very promoted, marketed the right way online, as far as viral,

所以，你现在必须在网上以正确的方式做好宣传，做好营销，像病毒传播一样，

音乐市场的变化！ - SpeakingMax英语口语达人

And they believe that Europe in 2012 will be now worse than the U.S. in 2008.

FORBES: Smart Money Is Short France, Italy,The Euro,Long Germany

They move means Team Coast will be now allowed to start Saturday's Milan-San Remo World Cup race.

BBC: Team Coast free to compete

If so, it successfully conveys in a modern format what a revised edition should really be now.

FORBES: The New Stage for Business Thought Leadership Writing