In this unit you are learning the SECOND CONDITIONAL
We use it to talk about future plans that are imaginary. Like finding a treasure or travel to space.
Look at this explanation

Now watch this video
This is the activity we are going to do on Wednesday. Complete the sentences and make sure you know how to ask and answer.

You can also prepare more questions for Audrey and for me.
And here you have some extra exercises
https://www.perfect-english-grammar.com/second-conditional-exercise-1.html