Fingertips of dominant hand, palm down, wipes across non-dominant hand, face up, at 90 degree angle, with two short movements. ASL generally puts words in the order that allows one to form the main idea most easily. This sign is also sometimes made with the index finger a curved a little.
Facial expression shows the eyebrows furrowed, and the body leans forward expectantly.
This shows that this is a question that requires information. Question words usually come at or near the end of the sentence, after you have stated the topic you are asking about. Either sign may be used. All rights reserved. Jolanta A. Lapiak, Deaf World Web.