Bengali Language/Expressing Obligation with Verb

Expressing obligation requires a few transformations.

Step 1
The person who is obliged to do things cannot be grammatically represented in the typical Subject Pronoun form, but in the Possessive Pronoun form in the following way :

Step 2
Take the infinitive form of the verb denoting the activity that one is obligated to do. Add the modal word উচিত uchit right after it, like in the following table :

The word উচিত uchit is a modal word which means "obligation" or "must". Note that this obligation expression is person and number independent. It doesn't change according to who is doing something or how many people are doing something.

Step 3
Now combine the possessive form and the obligation expression to make a full obligation statement, like in the following