1. Can you phone me when you are free? I need to talk for / to / by you.
2. When you apply for a job, I think it is best to communicate to / with / by email first.
3. The weather is a popular topic to discuss for / about / by in the UK.
4. Your parents are really friendly. Whenever I visit your home, they always chat about / with / for me.
5. I know enough of the language to hold a conversation with / for / to someone.