go
a She has gone to India three times. She loves it!
b My parents went to Egypt before they were married.
not wear
a I was cold last night because I did not wear a coat.
b Can I exchange this dress? I have not worn it.
not hear
a I'm sorry I missed your call. I did not hear the phone.
b Who's this song by? I have not heard it before.
buy
a I have bought you a present. Do you want to see it?
b The jacket was half price, so I bought it.