like: Xong rồi. → →
286
It nishes. ☊ 
Xong rồi. ☊ I did the shopping.'> 922 I did the shopping.'>
I've done the shopping. > I did the shopping. I did the shopping.'> ☊ Tôi đã đi mua sắm xong rồi. > Tôi đã đi mua sắm. ☊