Question

Warn your younger sister from watching excessive TV. (might/mustn’t/could)​

Answer 1

Answer:

You mustn’t watch too much T.V

Explanation:

"May," "might," and "could" can all be used to say that something is possible, as in "The story may/might/could be true" or "The painting may/might/could be very old." You can use any of the three in contexts like these.