join in — participate
phrasal verbB1IELTS 5+neutralcommon
to take part in an activity or conversation with others who are already doing it
Say it like a native
Textbook Please feel free to participate in the activity with us.
Native Come on, join in!
'Join in' is the warm, natural invitation. 'Participate in the activity' is formal.
Pattern: join in (with sth/sb)
In use
- Everyone was dancing, so I decided to join in.daily life
- In my opinion, it's important to join in group discussions at university because it helps you learn from others.IELTS speaking
Common mistake
✗ Why don't you join in to the game?
✓ Why don't you join in the game? / Why don't you join in?
'Join IN' (no 'to'); optionally 'join in WITH us'.
Common collocations
join in— the fun, the singing, with us, the conversation
Don't confuse it
'Join' is used for becoming a member of a group or organization, while 'join in' is used for taking part in an activity or event.