Present Perfect:
1. They have taken their roller skates.
2. Liza is happy, because she has won the prize.
3. My parents have come back early.
4. I have never been to Africa.
5. We have just learnt a new song.
Past Indefinite.
1. She washed the floor yesterday.
2. We took a lot of pictures when we travelled in Europe.
3. My mother wanted to become an actress when she was young.
4. He met his friend at the party a month ago.
5. Rick broke his arm when he fell on the ice.