1. So far, he has written five stories for children.
2. He is always saying he is the best one but I do not believe him at all.
3. Every day I help my Mom about the house, but last week I was very busy with my exam. So I did not help her much.
4. She can't come to the phone now because she is studying for tomorrow's test.
5. Let's meet at eleven o'clock tomorrow. – Sorry, I will be working at eleven o'clock.