1)В каком случае, при переводе из прямой речи в косвенную происходит трансформация времен, согласно правилу перехода? 

Если главное предложение выражено одним из времен группы Past
Если главное предложение выражено одним из времен группы Present
Если главное предложение выражено одним из времен группы Future

2)He said, “A minute later I heard Partridge enter the dining-room from the hall and heard her voice”. 

He said that a minute later he had heard Partridge enter the dining-room from the hall and had heard her voice.
He said that a minute later he heard Partridge enter the dining-room from the hall and had heard her voice.
He said that a minute later he heard Partridge enter the dining-room from the hall and heard her voice.
He said that a minute later I heard Partridge enter the dining-room from the hall and heard her voice.

3)Выберите правильный перевод предложения из прямой речи в косвенную. She said to him, “I don't know why thinking about the writer's feelings we missed the most obvious one.” 

She told him that she didn’t know why thinking about the writer’s feelings we missed the most obvious one.
She told him that she didn’t know why thinking about the writer’s feelings we had missed the most obvious one.
She said to him that I don’t know why thinking about the writer’s feelings we missed the most obvious one.
She said to him that I didn’t know why thinking about the writer’s feelings we missed the most obvious one.

4)She said, “Are you here, Mr. Burton?” 
She asked if Mr. Burton were there.
She said that were you here, Mr. Burton.
She asked if Mr. Burton was there.
She said if Mr. Burton was there.