1.He  wishes he knows the answer. - know
2.I wish you will come with me now.  -  bỏ will
3.They just bought a new house in the countryside -  buy
4.he is using the phone when I needed it.-  use
5.The Browns lived in London for tweenty years. -  has lived
6.My mother usually cook dinner for the family - cooks
7.This book wrote for children last year. - was wrote
8. His classmate waited for him since This 8 o’clock. - has waited
9. They read those interesting books many times. - has read
10. The students have the final test next month - will  have
11. At that time,we was playing soccer with Ba in the yard.- were playing
12. While they were cutting grass,the girls water the garden. - was watering
13. Her classmates invited to the party by Lan last week. - was invited
14. That old building should repaired by these workers . - be repaired
15. Coffee are made for her parents every day. -is  made