Yet, already and Tag questions!

Hello children, I hope you're doing excellently good and you are having a perfect week. On saturday we learnt to use yet and already.

Do you remember the rules?
 1. When do we use "yet"?
 2. When do we use "already"? (Write the rules on your notebook).

 Task 1

 Go to the following link and screenshot your evidence!.

 Task 2
 Watch the video and answer the questions!

https://www.youtube.com/watch?v=yW17lSAYSGY

1.What's a tag question?
2.For what do we use tag questions?
3. What are the examples the speaker mentions?
4. What happens with the tag question when the main verb is in positive form?
5. Write 6 example of tag questions using past simple and present perfect