Sometimes bad things happen. When we hear about bad things that happen to other people it's a good idea to express sympathy. This can be difficult as we want to express our concern, but don't want to be intrusive. Here are some common phrase to help you express sympathy.
I'm sorry to hear about ...
Please accept my condolences. (used when someone close to another has died)
That's so sad.
I hope things get better soon.
I hope you feel better soon.
Person 1: I've been rather sick lately.
Person 2: I hope you feel better soon.
Person 1: Tim has been having a lot of troubles lately. I think he might be getting a divorce.
Person 2: I'm sorry to hear about Tim's problems. I hoe things get better for him soon.
It's also common to express sympathy in writing. Here are some common phrases you can use when writing a sympathy note to someone. Notice that is common to use the plural 'we' and 'our' when expressing written sympathy as a way to express that a family
My heartfelt condolences on your loss.
Our thoughts are with you.
She/he was a lot of things to many people and will be missed tremendously.
Thinking of you in your time of loss.
We are very saddened to hear of your loss. With deepest sympathies.
You have my sincere sympathy.
You have our deepest sympathy.