Answer:
2. It's always breaking down.
3. I'm always making the same mistake.
4. You're always leaving the lights on.
Explanation:
This is very simple and straight forward. Like the example given in number one above, all you need to do is to change the verb that follows "always" into a form that has "-ing".
2. B: That car is useless. It's always breaking down.
3. B: Oh no, not again! I'm always making the same mistake.
4. B: Typical! You're always leaving the lights on.
