How do you write sentence Ashok usually doing his homework at night?

The sentence "Ashok usually doing his homework at night" is grammatically incorrect. Here's how you can write it correctly:

Ashok usually does his homework at night.

Here's why the original sentence is wrong:

* Subject-Verb Agreement: The subject of the sentence is "Ashok," which is singular. The verb "doing" needs to be in the singular form, which is "does."

* Tense: The sentence indicates a habitual action, so the verb should be in the present simple tense.

Let me know if you'd like help with any other sentences!