$\text{1.}$ Mary told Helen she was tired of eating fish.

$\text{→}$ is ⇒ was

$\text{2.}$ Miss Borne told us we had to do our homework every day.

$\text{→}$ must ⇒ had to

$\text{3.}$ Billy asked his teacher if they would read the story.

$\text{→}$ will ⇒ would

$\text{4.}$ Mary asked her boss if it was her he wanted to speak to.

$\text{→}$ is ⇒ was

$\text{→}$ HTD ⇒ QKD

$\text{5.}$ Martha asked her girlfriend where she was going for her holidays.

$\text{→}$ are ⇒ was

$\text{6.}$ She told her children not to go near the water.

$\text{→}$ told sb (not) to-V: yêu cầu ai (ko) làm gì

$\text{7.}$ He said that he would be there again the next day.

$\text{→}$ will ⇒ would

$\text{→}$ here ⇒ there

$\text{→}$ tomorrow ⇒ the next day

1,Mary told Helen that she was tired of eating fish. 

2, Miss Borne told us that we must do our homework every day. 

3,Billy asked his teacher if they would read the story.

4, Mary asked her boss if it was me you want to speak to.

5, Martha asked her girlfriend where she was going for her holidays.

6, She told her children not to go near the water.

7 ,He said that he would be here again the next day.