| sit in on(verb, expression, idiom, phrasal verb, show) |
| take part(verb, expression, play, perform, enter) |
| time in(verb, expression, phrasal verb, show, join) |
| turn up(verb, expression, phrasal verb, show, join) |
| visit(verb, show, join, catch, stay) |
| work together(expression, play, participate, cooperate) |
| abet(play, participate, cooperate) |
| act(verb, play, perform) |
| advance(play, participate, cooperate) |
| agree(play, participate, cooperate) |
| aid(play, participate, cooperate) |
| assist(play, participate, cooperate) |
| back up(expression, play, participate, cooperate) |
| band(play, participate, cooperate) |
| be conspicuous(verb, get, attend, come, arrive) |
| be in attendance(stay, attend, remain) |
| be in cahoots(play, participate, cooperate) |
| be seen(verb, play, perform) |
| be visible(verb, get, attend, come, arrive) |
| befriend(play, participate, cooperate) |