1. Do we use both, either, neither to talk about two or more than two objects?2. What pronouns do we use to speak about threeobjects or more?3. Can we use a singular noun after both?4. Can we use a plural noun after either / neither?​

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)