1. What's the matter with you?

2. What's up with you?
3. What happened to you?
4. What's happening to you?
5. What's going on with you?
6. What happened to you?
7. What's happening to you?
8. What's wrong with you?

(Did I use correct prepositions? Do I have to use 'with' or 'to'?)

Just as you have them!

Sra

just as they are all right

Yes, you have used the correct prepositions in all of the sentences. You can use either "with" or "to" depending on the specific context and meaning you want to convey.

1. "What's the matter with you?" - This is a question asking about someone's current state or problem.

2. "What's up with you?" - This is a casual way of asking how someone is doing or what's going on in their life.

3. "What happened to you?" - This question refers to a past event or situation that caused a change or impact on the person being addressed.

4. "What's happening to you?" - This question is related to the present moment and asks about any ongoing events or situations affecting the person.

5. "What's going on with you?" - This is another way of asking about someone's current situation or circumstances.

6. "What happened to you?" and 7. "What's happening to you?" - These questions are similar to the ones mentioned earlier and refer to a past event or ongoing situation affecting the person.

8. "What's wrong with you?" - This question is more specific and asks about any problems, discomfort, or illness that the person may be experiencing.