Direct speech : - Direct speech is used to report or rather repeat the words spoken by the speaker or writer in the way it is told by the speaker .

Indirect speech : - Indirect speech is the way in which you convey what someone said to another person, not necessarily using the exact words of the speaker.

Direct Speech - Changes in Personal Pronoun:

When reporting a speech the pronoun should be changed according to the relationship of the speaker to the person whose speech is being reported. If the spoken words contain a pronoun or determiner in the first or second person, this often changes to a different person in direct speech: The third person remains the same.There is also used quotation marks in direct speech.

• Salil admitted that he would have told his friend to lend him his car.  (Indirect Speech)
• "I would have told my mother to lend me his car", admitted Salil.(Direct Speech)

In the question : -

1. He said that he did not want to shock people.

The direct speech of the above sentence is :

He said, “I do not want to shock people”.

While converting into direct speech , firstly , place reporter's speech into inverted commas , then  he is converted into I according to first pronoun and then use do as helping verb because the sentence is in present form and then the objective part shock people .

2. They said that they would look after Liam.

The direct speech of the above sentence is :

They said, “we will look after Liam.”

While converting into direct speech , firstly , place reporter's speech into inverted commas , then  they is converted into we according to first pronoun and then use will as helping verb because the sentence is in future form and then the objective part look after Liam .

Thus , the Correct Option is D , which is 1. He said, “I do not want to shock people” . 2. They said, “we will look after Liam.” .

Direct speech : - Direct speech is used to report or rather repeat the words spoken by the speaker or writer in the way it is told by the speaker .

Indirect speech : - Indirect speech is the way in which you convey what someone said to another person, not necessarily using the exact words of the speaker.

Direct Speech - Changes in Personal Pronoun:

When reporting a speech the pronoun should be changed according to the relationship of the speaker to the person whose speech is being reported. If the spoken words contain a pronoun or determiner in the first or second person, this often changes to a different person in direct speech: The third person remains the same.There is also used quotation marks in direct speech.

• Salil admitted that he would have told his friend to lend him his car.  (Indirect Speech)
• "I would have told my mother to lend me his car", admitted Salil.(Direct Speech)

In the question : -

He said that his teacher was a nice man .

The direct speech of the above sentence is :

He said , " My teacher is a nice man " .

While converting into direct speech , firstly , his is converted into my according to first pronoun , then was is converted into is and then the objective part a nice man .

Thus , the Correct Option is C , which is He said , " My teacher is a nice man " .

Direct speech : - Direct speech is used to report or rather repeat the words spoken by the speaker or writer in the way it is told by the speaker .

Indirect speech : - Indirect speech is the way in which you convey what someone said to another person, not necessarily using the exact words of the speaker.

Direct Speech - Changes in Personal Pronoun:

When reporting a speech the pronoun should be changed according to the relationship of the speaker to the person whose speech is being reported. If the spoken words contain a pronoun or determiner in the first or second person, this often changes to a different person in direct speech: The third person remains the same.There is also used quotation marks in direct speech.

• Salil admitted that he would have told his friend to lend him his car.  (Indirect Speech)
• "I would have told my mother to lend me his car", admitted Salil.(Direct Speech)

In the question : -

They said that they had studied their books .

The direct speech of the above sentence is :

They said , " We had studied our books " .

While converting into direct speech , firstly , they is converted into we according to first pronoun , then had and third form of verb and then the objective part their books .

Thus , the Correct Option is B , which is They said , " We had studied our books " .