Choose the correctly formed sentence using a modal verb for obligation.
A
You must to submit the report today.
B
You must submit the report today.
C
You must submitted the report today.
D
You must submitting the report today.
Correct Answer: Option B — You must submit the report today.
Explanation:
Modal verbs like 'must' are followed directly by the base form of the verb without 'to', making 'must submit' the grammatically correct construction.