The Importance of Adding Information to a Sentence

We can only use which and not that when we add extra information to a sentence. For example, I could say my new car is parked outside my house but it doesn't make sense if the car has a broken window. And we don't really need to know what color your new car is. It's extra. Now, if that's a little difficult to understand, I recommend getting the free lesson notes for this episode so that you can see this text written down.