Question

These Indian moms can be seen everywhere. (Rewrite with modal auxiliary showing certainty)

Answer 1

This sentence is already representing certainty as 'can' is the modal auxilary of certainty. But you can also write this sentence in modal auxilary of Certainty as
1)These Indian moms must be seen everywhere.
2)These Indian moms will be seen everywhere.
or
You can also use 'shall'
Hope it helps!!

Answer 2

Explanation:

3.These Indian moms can be seen everywhere.(Use model auxiliary showing