帮我改成被动语态

1.Tom broke the window.

2.He has posted the letters already.

3.Must I do the exercises?

4.You must take good care of the dictionary.

5.Mr.Wang will teach Maths in the classroom tomorrow.

The window was broken by Tom.

The letters has been posted already by his.

Must the exercises are done?

Good care of the dictionary must be taken by you.

Maths will be taught by Mr.Wang in the classroom tomorrow.

希望可以帮到你

1.the window was broke by Tom

2.the letters has been posted already by him.

3.the exercise should be done by me

4.the dictionary should be taken care of by you

5.the maths will be teached in the classroom tomorrow by Mr .Wang

1.The window was broken by Tom

2.The letters have been posted by him already.

3.Must the exercise be done by me?

4.The dictionary must be taken good care of by you.

5.Maths will be taught by Mr.Wang tomorrow.

1.The windom was broken by Tom

2.The letters has been posted by him

3.The exercises must be done by me?

4.The dictionary must be took good care of by me?

5.The math will be toughtin the classroom by Mr.Wang tomorrow?

1.The window was broken by Tom

2. The letters were posted by him yesterday.

3. Must the exercises be done ?

4. The dictionary must be taken good care of by you.

5. Maths will be taught in the classroom tomorrow by Mr Wang

The window was broke by Tom

The letters was posted by him

1. The window was broken by Tom.

2. The letters has already posted by him.

3.Must the excersies done by me?

4.The dictionary must be taken care by you.

5.Maths will be taught by Mr.Wang in the classroom the next day.