Auxilliary verb-9th

Primary Auxilliary:

1. Be verbs (am,is,are,was,were)
2. Do verbs (does,do,did)
3. Have verbs (has,have,had)

Modals:

1. Can - Could
2. May- Might
3. Shall- Should
4. Will - Would
5. Must

Semi Modals:
         Need, dare, used to, ought to