asking about, to ask about, ask about,
bumping into someone, to bump into someone, bump into someone,
repeating, to repeat, repeat,
saying hello, to say hello, say hello,
chatting, to chat, chat,
coming across someone, come across someone, come across someone,
communicating, to communicate, communicate ,
discussing, to discuss, discuss,
exchanging, to exchange, exchange,
gossiping, to gossip, gossip,
greeting, to greet, greet,
mixing with, to mix with, mix with,
rambling on, to ramble on, ramble on,
recognising, to recognise, recognise,
saying, to say, say,
meeting a friend, to meet a friend, meet a friend,
having a friend, to have a friend, have a friend,
discussing, to discuss, discuss,
saluting, to salute, salute,
saying hi, to say hi, say hi, drinking coffee, to drink coffee, having a coffee, to have a coffee,