By the way
We use this expression to introduce a different topic or new idea which may be only partly related to what we were talking about.
| Written | Yes |
|---|---|
| Spoken | Yes |
| Formal | Yes |
| Informal | Yes |
Example 1
Is it Alicia's birthday next week?
Yes, it is. By the way, she's split up with her boyfriend, so don't say anything about him.
Example 2
See you on Saturday evening at 7.00, then.
Right. Oh, by the way, where's the best place to park?
