Question

They must leave tomorrow.pick out the model auxiliary and state what it denotes.

Answer 1

HEYA!!
----------

----------------------------------------------------------------------------------------------------
✴MODELS ✴
----------------------------------------------------------------------------------------------------

✨They must leave tomorrow . ( given sentence )

✔Model Auxiliary : MUST

✔Denotes : Compulsion .

----------------------------------------------------------------------------------------------------
---------------------------------------------------☺

Answer 2

They and must is the modal auxiliary