To join in something is to become involved in an activity with other people.
Examples of use:
1. Your brother is playing football in the park. Why don’t you go and join in?
2. We’re playing cards tomorrow night. Come and join in. Everyone is welcome.
3. Amelia is very shy. She never joins in with the other children’s games.
infinitive |
join in |
present simple |
join in and joins in |
-ing form |
joining in |
past simple |
joined in |
past participle |
joined in |
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