This video defines conditionals, explains how to identify and write the three different types of conditional statements: factual, predictive, and speculative. It also discusses modal verbs and provides a list of them. [6:24]

There's a class of helper verbs known as modals that we use to express a bunch of conditions: we can use them to give advice, make guesses at how necessary or likely something is, make requests of people, and so on. They're super useful.

Writers make their writing clear by using modal auxiliaries correctly to show different times, moods or conditions. Let's practice using the modal auxiliaries can, may, and must to describe situations. [10:49]

This is a video tutorial discussing modal verbs and their meanings [6:19]

This is a YouTube video lesson about modal and auxiliary verbs. Modals are verbs such as could, would, or might which cannot stand alone, and auxiliary verbs are verbs such as do, be, and have which can be helping verbs or can stand alone.