В следующих предложениях измените время гла­гола на Present Perfect: 1. The students are writing a dictation.

2. Sara is helping me to solve a difficult problem.

3. I am learning a poem.

4. Anna is telling them an interest­ing story.

5. Stella is sweeping the floor.

6. The wait­er is putting a bottle of lemonade in front of him.

7. I am eating my breakfast.

8. We are drinking water.

9. Jack is bringing them some meat and vege­tables.

10. You are putting the dishes on the table.