Choose the correct indirect speech: The judge said to witness "tell the truth".

The judge ordered the witness to tell the truth

The judge requited the witness that he should tell the truth

The judge told the witness if he could tell the truth

The says to witness to tell the truth

The judge ordered the witness to tell the truth.

The verb "said" is replaced with "ordered" because it's a command.

The structure "to tell" is used in the indirect speech, and the tense remains the same.