Rainbow group learning about apostrophes

We are learning use apostrophes. Yoon Seok said, "I use apostrophes to make words shorter". "I use apostrophes to show belonging", said Chris. Tae Hun said, "I am practising using apostrophes". Chris K. said, "It is good to use apostrophes in a paragraph to show belonging". "We played a game using apostrophes. I learnt that apostrophes show belonging", said Noa.