Trong các câu sau có 1 lỗi sai, tìm lỗi đó và chữa đúng

Trong các câu sau có 1 lỗi sai, tìm lỗi đó và chữa đúng
1, she have never been to korea
2,they have bought an air - conditioner yesterday
3, my father has teach me how to use this machine
4, l have see that movie five times
5, she will grows some roses in front of her house
6, the teacher won't giving us exercises in summer
7, phong haven't done his homework yet
8, the children watcher TV every day
mn giúp mk vs ak