For instance, thirty years ago we would learn the Future Simple using 'shall' for the first person singular and plural. We don't do that any more. Now we use 'will' for all the persons.
Here's an interesting listening exercise for you to do: 'Is English changing?' (6 Minute English, BBC Learning English)
Have a look at Lingohack and you'll learn about the latest on the US elections, a cyborg beetle and the teenage brain development.