Hello,<br/><br/>1. Why did not you go with him?<br/><br/>2. Why did you not go with him?<br/><br/>I know that (2) is correct. Is (1) also correct?<br/><br/>If I have to write the above in (didn't) format then ,<br/><br/>3. Why didn't you go with him.<br/><br/>I want to know why "not" become before the subject in the sentences like (3).