1.She asked me ( not wait) for her.
…………………………not to wait…………………………
2.That car (repair)  since last Tet holiday.
……………has been repaired……………………………………….
3.The train ( start) before we arrived at the station.
……………had started…………………………………………
4. He has never played computer games before.
This is the first time…he has played computer games………………………………….