filing N-400 while I-751 still pending

[beiwen]

Is it possible to file N-400 based on marriage, while the I-751 is still pending?
(3-years time requirement after PR was approved is about to be accomplished)
Thank you?

 

[C R S]

Yes but you will be unable to naturalize until your I-751 is approved.

http://immigration.about.com/library/weekly/aa102599.htm