.I’m thirsty. (Make an offer.) Your room is a mess. (Make a promise.)
You’re talking about your future job. (Say what you have decided to do.)
You’re talking about your future wife. (Make a prediction that is just a guess.)
You got a bad mark in a test. (Make a prediction based on your parents’ reactions in the past.)

Water the flowers! I have already ( just) watered the flowers! Cut the bread please. I have already ( just) cut the bread.  Ann, lay the table for breakfast. I have already ( just) laid the table for breakfast. These boys are playing football. Those boys have already ( just) played football. I am drinking tea. Granny has already ( just) drunk tea. Bobby is drawing animals. Nelly has already ( just) drawn animals. Mary, dust the furniture, please. I have already ( just) dusted the furniture. Do your home task, Alice. I have already ( just) done it. Marry is cleaning the room. Lizzy has already ( just) cleaned the room. My sister is looking through the newspaper. My father has already ( just) looked through the newspaper. They are having dinner. We have already ( just) had dinner. Father, give Fred the magazine, please. I have just given him the magazine.

1.I have already tidied up my room
2.She has never eaten candy floss
3.He has just gone souvenir shopping
4.We have recently read this book
5.They have not travelled to Europe yet
II
1.Have they just arrived?
2.She hasn't packed her suitcase yet.
3.We have been to the camp for 2 weeks/.
4.Have you ever shaken hands with cartoon characters?
5.I have never seen a robot.
III 
1. I have already done my homework. (do) 
2. He has just come home. (come) 
3. She has already nade a calculation ( make). 
4. We have already solved the problem. (solve) 
5. He has just finished his work.(finish) 
6. They haven't come from the south yet . 
7. Have you ever eaten Italian food? (eat)
8. Have you done a lot of training this year? (do)