拜托帮我把这几句句子改成被动语态.不难的!1.they told me you had been of pairs.2.someone gave the little girl a pair of red shoes for christmas3The white Americans in the north made laws to sat the blacks free from the whites.4.most of the masters thought of their slaves as animals that could be bought and sold.

1.they told me you had been of pairs.
I was told you had been of pairs.
2.someone gave the little girl a pair of red shoes for christmas
The little girl was given a pair of red shoes for christmas
3The white Americans in the north made laws to sat the blacks free from the whites.
Laws were made to sat(应该是set吧） the blacks free from the whites
4.most of the masters thought of their slaves as animals that could be bought and sold.
Slaves were thought to be bought and sold by most of the masters.

1.they told me you had been of pairs.
I was told by them you had been of pairs.
2.someone gave the little girl a pair of red shoes for christmas
The little girl was given a pair of red shoes for christmas by someone.

3The white Americans in the north made laws to sat the blacks free from the whites.
Laws were made by the white Americans in the north to sat the blacks free from the whites.
4.most of the masters thought of their slaves as animals that could be bought and sold
Their slaves are thought of as animals that could be bought and sold by most of the masters.

I was told you had been of pairs.
The little girl was given a pari of red shoes for christmas
Laws were made by the white Americans in the north to sat the blacks free from the whites.
The slaves were thought by most of the masters as animals that could be bought and sold

I had been told you had been of pairs.
The little girl was given a pair of red shoes for
chrismas by someone
Laws was made by the white Americans in the morth to sat the blacks free from the whites.
The slaves of most of the masters were thought of as animals that could be bought and sold.