Помогите пожалуйста с заданием,буду очень признателен!

Переделайте предложения из прямой речи в косвенную:

Tom"I am going to Canada"
Ben"Don't tell me about Fred'
Dan"I'll tell my mother everything"
Nina"Margaret has had a baby"
Liz"My sister fell ill last week"
Polly"The doctor will come and examine me tomorrow"
Helen"When did you buy such a nice T-shirt,Frank?"
Sam"Will you listen to my lungs,Doctor?"

Tom said he was going to Canada.

Ben asked me not to tell him about Fred.

Dan said he would tell his mother everything.

Nina said Margaret had had a baby.

Liz said her sister had fallen ill the previous week.

Polly said the doctor would come and examine her the next day.

Helen asked Frank when he had bought such a nice T-shirt.

Sam asked the doctor if he would listen to his lungs.