1.English/teach/a school/my sister/every day
-> english is taught in a school by my sister every day
2.Chicken and fish/prepare/the fritchen/my mother/for an hour
-> chicken and fish have been prepared in the kitchen by my mother for an hour
3.The english grammar/explain/our teacher/yesterday
-> the english grammar were explained by our teacher yesterday
4.A new car/buy/Mr.Toan/next week
-> a new cả will be bought by mr. toan next week
5.A party/hold/my brother/at the moment
-> a party is being by my brother at the moment