B ing (essay)

Explain the difference between "must" and "have to" in terms of obligation. Give examples.

How do "can," "could," and "be able to" differ in expressing ability? Provide sentences for each.

Compare "may," "might," and "could" when expressing possibility. Which is the most certain and which is the least?

Why is "should" used for advice? Give three examples of suggestions using "should."

Explain how "would" is used in polite requests and hypothetical situations. Provide examples.

He ... speak three languages fluently

We ... visit grandma tomorrow if it doesn't rain.

I ... like to have a cup of coffee, please.

You ... not smoke in this area.

What is the function of the modal "must"?