"I took an exam last Friday"
She/he said (that) she/he had taken an exam last Friday.
"They were eating octopus last night."
She/he said (that) they had been eating octopus last night.
"The city was really crowded last weekend."
He/she told me (that) the city had been really crowded last weekend.
"I flew an airplane without permission."
She/he said (that) she/he had flown an airplane without permission.
"She helped the children at school."
She/he told me (that) she had helped the children at school.
"I kissed my friend."
She/he said (that) she/he had kissed her/his friend.
"I didn't say anything wrong."
She/he said (that) he/she hadn't said anything wrong.
"Sam didn't go to the party."
She/he told me (that) Sam hadn't gone to the party.
"I wasn't telling the truth."
He/she said (that) he/she hadn't been telling the truth.
"Susan was running in the park when her boyfriend called."
She/he said (that)"Susan had been running in the park when her boyfriend called."