（适合说的话）
I'm so/very sorry to hear that (e。g。your grandmother) died/passed away。
I am so sorry。
I'm praying for you。 
I want to help share your burden。
   Would it be helpful if I were to。。。 (It is important to make a specific offer here because often a person grieving won't be capable of putting a to-do list together for people)
Things that might not be appropriate to say are:(不适合说的话)
Perhaps it was their time。
  。。
You will get over this in time。。。
I understand how you feel。 (While you could very well share similar situations, each person grieves differently) 
Call me if you need anything。
   (Again we go back to the fact that a person or family that are grieving need to be able to say 'yes' or 'no' to an offer of help or assistance。
   It might be too taxing for some to have to think of things for others to do。 
。