1. How is Ted special?

He dresses well.

2. Why is Ted special?
He is wearing a colorful shirt.

3. What is Ted's specialty?
He is wearing pink trousers.

4. What is special for Ted?
He is fashionable.
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Which ones are grammatical and commonly used? Which ones are not suitable?

1 answer

All are grammatically correct, but only 2 and 3 are commonly used.

4 doesn't mean the same thing as the others; this last question is asking what does Ted consider to be special, probably in someone else, not himself.