Sigrid has lost a couple of important items and is trying to think where they might be. In this part, she has lost her car key. She uses plenty of modal verbs to tell her story, including modal verbs expressing probability.

Now Sigrid has also lost her glasses! In this final part, learn how to use modal verbs to express probability, and find out whether she finds the missing items.

Paul, who has an Australian accent, shares what he's noticed about the differences between the English spoken in England and in the USA.

What are causatives? Causal verbs are used to cause things to happen. They're used in causative constructions. Although there are various specific verbs in this category, we commonly use four ordinary verbs for this: ("have," "let," "get," and "make"). Let's make some sense of them.

Now that you have an idea about what causal verbs and causal constructions are, let's give them some context. We're still using the verbs "have," let," "get," and "make," and the theme is housepainting.

Let's look "under the hood," and see how to build causative constructions using "have," "let," "get," and "make."