Поставьте глагол в основном предложении в Past Indefinite и сделайте нужные

Поставьте глагол в основном предложении в Past Indefinite и сделайте нужные преображенья в придаточном предложении:
He says that he knows them well.
He said that he knew them well.
1. He is sure that she is in Moscow now.
2. He says that she is in Moscow now.
3. He says that the classes begin at 2 oclock.
4. I think that she is ill.
5. We know that she is ill.
He says that she went to the Crimea.
He said that she had gone to the Crimea.
1. I know that he lived in Kiev.
2. He says that they met in Moscow.
3. I am sure that the students were in the library.
4. I hope that they knew about it.
5. I think that they were busy.
She says that she will go to the cinema.
She said that she would go to the cinema.
1. They say that they will leave for London.
2. She says that she will buy this coat.
3. We know that we shall discuss this question.
4. We hope that they will help us to do this work.
5. We think that we shall have our holidays in January.