1) Ba and Song plays football every afternoon with Khai and me
1 plays⇒play
2) We buy two new rackets yesterday. We are going to play tennis this afternoon
2 buy⇒bought
3) I'm not going to do the homework for you. You should do it itself
3 itself ⇒yourself
4) Our neighbors invited my friend and I to dinner with them
4 them ⇒ me
5) You should try your best learning hard to pass the exam
5 learning⇒to learn