1. What do you use the Internet for?

Question

1. What do you use the Internet for?

2. What for do you use the Internet?
3. Why do you use the Internet?
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Which question is commonly use? Are they all grammatical? In casual situation, which one is used?

Answer 1

1 and 3 are fine.

2 is incorrect.

Answer 2

All three questions are grammatically correct and can be used interchangeably to ask about someone's use of the Internet. However, the most commonly used question in casual situations is typically "What do you use the Internet for?" This phrasing is more commonly heard and feels more natural in conversation.