Câu bị động :

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

`-` Thì TLG : S + is / am / are + going to be + V3 / PII ( by O )

`-` Must : S + must be + V3 / PII ( by O )

`1`.A party will be held tomorrow night

`2`.These flowers will be watered tomorrow

`3`.Rainforests won't be destroyed anymore

`4`.This expensive dress won't be bought

`5`.A lecture will be delivered by a famous propessor tomorrow

`6`.Non-renewable energy will be replaced by renewable energy

`7`.Peter will be sent to a new school by his parents

`8`.All the dishes will be made a famous chef

`10`.Some new airports will be constructed on islands

`11`.You will be told when you go to see the doctor

`12`.The cake will be eaten by Barbara

`13`.The meeting will be held before May Day

`14`.The wall must be cleaned before you paint it

`15`.A new apartment is going to be bought next year

`\text{@ TheFox}`

Đáp án:

`1,` A party will be held tomorrow night.

`2,` These flowers will be watered tomorrow.

`3,` Rainforests won't be destroyed anymore.

`4,` This expensive dress won't be bought.

`5,` A lecture will be delivered by a famous propessor tomorrow.

`6,` Non-renewable energy will be replaced by renewable energy.

`7,` Peter will be sent to a new school by his parents.

`8,` All the dishes will be made a famous chef.

`9,` Some new airports will be constructed on islands.

`10,` You will be told when you go to see the doctor.

`11,` The cake will be eaten by Barbara.

`12,` The meeting will be held before May Day.

`13,` The wall must be cleaned before you paint it.

`14,` A new apartment is going to be bought next year.

Giải thích:

Bị động:

- TLĐ $(+)$ S + will + be + V3 / PII ( by O ).

          $(-)$ S + won't + be + V3 / PII ( by O ).

- TLG $(+)$ S + is / am / are + going to + be + V3 / PII ( by O ).

- Must $(+)$ S + must + be + V3 / PII ( by O ).