Question

Read the examples in the LOOK box and answer the questions.
Are the examples about real or unreal situations?
How do you know?

LOOK
What would you do if someone bullied your friend?
If someone bullied my friend, I would stop him.

Answer 1

These are unreal situations because "would" is used. (subjunctive mood)
And my friend is not bullied by anybody.  It is an unreal supposition.