Present Perfect:
1. I have lost my keys!
2. She has recently done her homework
3. He really has taken after his father
4. They haven't been to London
5. She hasn't got a flat
Past Simple:
1. I went to the theatre yesterday
2. I said to him that I wouldn't come
3. He promised to make it
4. She didn't want to look for a job
5. They were not right