Changing the subject (B1 Vocabulary)

Use By the way for an unrelated new topic, and Speaking of or While we're on the subject for a linked one.

Bringing in a new topic

WordPronunciationExample
By the wayBy the way, Amina moved the meeting to Magaff Library.
Speaking ofSpeaking of buses, the route to Ghafwick Station changed.
While we're on the subjectWhile we're on the subject, did you book the hotel?

"That reminds me"

Use That reminds me when the topic suddenly makes you remember a new thought or task; it is informal.

WordPronunciationExample
That reminds meThat reminds me, I need to return a book to Magaff Library.

Getting back to the point

Use Anyway or Getting back to + the topic to close a side topic and return to the main point; Anyway can sound dismissive.

WordPronunciationExample
AnywayAnyway, we still need to choose a meeting time.
Getting back toGetting back to your question, yes, I can help.

Before I forget, on a different note

Use Before I forget to quickly add something you must say, and On a different note to move to an unrelated topic.

WordPronunciationExample
Before I forgetBefore I forget, the meeting starts at ten tomorrow.
On a different noteOn a different note, how was your trip?

What are the common mistakes?

IncorrectCorrectWhy
"Amina moved the meeting." (no signal, so it sounds abrupt)"By the way, Amina moved the meeting."By the way signals a topic change, so the switch does not sound random.
"That remembers me, I need to call the dentist.""That reminds me, I need to call the dentist."Something reminds you; you remember. The phrase is always That reminds me.
"Any way, we still need to choose a meeting time.""Anyway, we still need to choose a meeting time."To steer back to the main topic, Anyway is one word.