By watching this video, you will be able to express obligations by using must and mustn’t. You will also understand the difference between must and have to as well as mustn’t and don’t have to. You can subscribe to my channel easily by clicking on this link: https://goo.gl/OguGrs
You can find the practice file for this lesson on this link: https://www.slideshare.net/secret/bukdI394jhJNdB
Easy English at Home is a YouTube channel focusing on learning English easily. By watching our videos, you can study English wherever you are and whenever you want.