Answer:
[S] [T] I'm an adult. ( CK)
[S] [T] We're adults. ( CK)
[S] [T] Tom is an adult. ( CK)
[S] [T] You're an adult. ( CK)
[S] [T] I'm an adult now. ( CK)
[S] [T] We're both adults. ( CK)
[S] [T] You're both adults. ( CK)
[S] [T] Tom is an adult now. ( Spamster)
