What are the morpho-syntactic features of the auxiliary

Question

In the English language, what are the morpho-syntactic features that distinguish lexical verbs and auxiliary verbs? Use the data below

1. He is on the Board of directors
2. I have my bags full
3. He didn't get to the airport in time
4. Do they do practice games before?
5. Is he on the board of directors?
6. Do these pens have ink?
7. These pens don't have ink
8. Have the students arrived?
9. I do not have my bags full
10. He doesn't do his part without being asked
11. Are we in the same class?
12. We haven't received our final grades
13. Does he do it without being asked?
14. Did Ava kiss Sam?
15. Ava didn't kiss Sam
16. We have received our final grades

What are the morpho-syntactic features of the auxiliary uses of 'have,' 'be' and 'do in the data and how do these features differ in their lexical uses?