“Children who go out today will need to wear their raincoats.” This might look like a simple statement of fact, but most children so advised by a parent would surely know that they are being told to do something if they go outside. What looks like a simple statement of fact can in fact be an order or a request or something else again. (For some Jender posts on kinds of speech acts, see here.)
A film from the 1950’s meant to tell foreigners about the London Bus system raises all sorts of questions about what is going on with the uses of language. So what do you hear?