Here are the answers to your questions:
Question 1:
Which of the following are state of being verbs?
Answer: all of the above
(Explanation: "was," "are," and "is" are all state of being verbs.)
Question 2:
What is a nonmanual marker?
Answer: facial expressions and body movement
(Explanation: Nonmanual markers in ASL include facial expressions and body movements that convey additional meaning or grammatical information.)
Question 3:
What is the correct ASL format of the sentence "I am not sick"?
Answer: I SICK. (shake head from side to side)
(Explanation: In ASL, the sentence can be expressed as "I SICK" with a head shake for negation.)
Question 4:
Which of the following is a nonmanual marker for forming a question with a state of being verb?
Answer: raising your eyebrows and tilting your head forward a bit
(Explanation: This is a common nonmanual marker in ASL that indicates a question.)
If you have more questions, feel free to ask!