The sign for “can” as in “possible” uses “S” hands that move downward about six inches. Note: If you use a double movement, it changes the meaning more toward being “possible.” CAN / possible. You can use a stronger movement to indicate more “assurance.”
The general sign for “it” is done by simply pointing at the object to which you are referring. If the object, person, or location to which you are referring is present (there in your immediate environment), you can just “point” at him or her.
The sign for “sleep” is made by opening your hand and placing it in front of your face, palm toward you. Move your hand downward toward your chin. While the hand is moving, bring your fingers together and touch them with your thumb.
If you mean “miss” as in “I miss my ASL teacher” or “I miss you” then use the version of MISS that pokes the chin with an index finger.
There are two categories – Arbitrary name signs and Descriptive name signs. While arbitrary name signs do not reflect in any way the person’s appearance or personality, they are rule-governed in how they are produced.
The sign for “happy” is made by placing one or both of your hands in front of you. Use “flat” hands, palms pointing back. Circle your hands forward, down, back, up, forward, down, back, up. Both hands move at the same time and in the same direction.
Applause expresses appreciation or approval. In hearing Western culture, they typically clap with the palms of their hands. Sound-oriented. In American Deaf culture, as visually-oriented, Deaf people ususally wave their hands in the air.
In British Sign Language the sign for “Please” and “Thank you” are very similar to the sign for “thank you” in ASL. The difference is in the speed of the sign and the facial expression.