Pitching in at a clear-up B1
Mucking in with the neighbours to tidy the local park.
pitch in — join in helpingCould everyone pitch in to help tidy up? (polite)
Come on, everyone pitch in! (casual)
lend a hand — help someone outWould you be able to lend a hand on Saturday? (polite)
Fancy lending a hand Saturday? (casual)
take part — participateA: Are you going to take part in the charity run this weekend?
B: Yeah, I’ve already signed up with some friends.
Saturday morning at the park
A: We're doing the park clear-up at ten. Fancy giving us a hand?
B: Yeah, go on then. I'll pitch in for a couple of hours.
A: Nice one. If everyone lends a hand it won't take long at all.
B: Shall I bring my own bin bags?
A: No need, we've got loads. Just turn up.
Roping in a mate
A: Loads of people are coming. You should take part, it's a good laugh.
B: Go on then, count me in. What time?
A: Half nine outside the café. Wear something you don't mind getting mucky.
B: Right, see you there.