1.The students have discussed the pollution problems since last week. …………………………………………………………………………………………. 2.Have the thieves stolen the most valuable painting in the national museum? …………………………………………………………………………………………. 3.Some people will interview the new president on TV. …………………………………………………………………………………………. 3.My father waters this flower every morning. ……………………………………………………………………….……………….. 4.John invited Fiona to his birthday party last night. ……………………………………………………………………………….………… 5.Her mother is preparing the dinner in the kitchen. ………………………………………………………………………….……………. 6.We should clean our teeth twice a day. …………………………………………………………………………………………. 7.Our teachers have explained the English grammar. …………………………………………………………………………………………. chuyển câu bị động

`-` Câu bị động :

`+` HTHT : S + have / has + been + V3 / PII ( by O )

`+` TLĐ : S + will be + V3 / PII ( by O )

`+` HTĐ : S + is / am / are + V3 / PII ( by O )

`+` QKĐ : S + was / were + V3 / PII ( by O )

`+` HTTD : S + is / am / are + being + V3 / PII ( by O )

`+` Should : S + should be + V3 / PII ( by O )

`1`.The pollution have been discussed by the students since last week

`2`.Has the most valuable painting in the national museum been stolen by the thieves ?

`3`.The new president will be interviewed on TV

`4`.This flower is watered by my father every morning 

`5`.Fiona was invited to his birthday party by John last night

`6`.The dinner is being prepared in the kitchen by her mother

`7`.Our teeth should be cleaned twice a day

`8`.The English grammar has been explained by our teachers

`\text{# Kirigiri}`