peace be upon you

i just have some questions and seek answers

Find the mistake

1 - Alaa said to samia that she had been to many cities in Europe

2- Heba asked me what subjects i hadn`t succeed in the year before

3- He said the first thing he did when he arrived there is to turn in the lights

4- he denied that he hadn`t taken the money

5- bassant says that lunch was ready

6- Ramy remarked what they had eaten fish tow days before

7- He told his son that he had to obey his parents and teachers

8- Ten minutes ago, Nourhan told me you have left

said to ---- told /// succeed ---- succeeded

is --- was // hadn't ---- had

was-----is /// what ---that

Answers
1- said to ..... told
2- succeed ...... succeeded
3- is ...... was
4 hadn't ... had
5- was ..... is
6- what ... that
7- had to ... must
8- have ... had

Thanks !!!!!