Wonderful lesson, your slides are attached for you to review whenever you get a chance.
For homework, you can try these activities.
First, you can try this language exercise with ‘for’ and ‘since’
Next, imagine you have just spent the last few months working on a personal project or hobby that you are passionate about. Write a journal entry describing what you have been doing and the progress you have made using the present perfect continuous tense. Include details about the actions you have taken, how long you have been working on it, and how this experience has impacted your life and skills.
Finally, here is a listening exercise you can try, -https://elllo.org/english/class/int/int-01.htm
See you next time!