(+)
1. Peter has just come home.
2. Nick has already learnt the poem.
3. We have read that book.
4. Sam has been to China twice.
5. Anna has eaten too many sweets.
6. You have taken fantastic pictures.
7. Our friends have already left.
8. You have seen this film before.
9. He has just finished writing a book.
10. They have built a new road.
(-)
1. I haven't done my work yet.
2. You haven't met my sister.
3. Jane hasn't been to the USA.
4. She has never ridden a horse.
5. We haven't had dinner yet.
6. Jim hasn't seen Helen today.
7. I haven't played computer games this week.
8. Harry hasn't told us about his trip to Italy.
9. I haven't walked my dog yet.
10. They haven't finished painting the house.
(?)
1. Have you invited your friends to the party yet?
2. Has she bought any toys?
3. Have you ever eaten snails with garlic?
4. Has your mother ever met any celebrity?
5. Have they heard a new song by Imagine Dragons yet?
6. Has your sister told you the news?
7. Have you ever played baseball?
8. Have you been to France?
9. How many books has Joanne Rowling written?
10. Have you read all the Harry Potter books?
