English Grammar – Using Because, Definiton and Example Sentences Because is used to show/give reason. It is followed by a complete sentence with its own subject and verb. She usually eats at home, because she likes cooking. The girl ran because she was afraid. I don’t like playing football because it’s very boring People are attracted to the coast because the fishing and swimming is fantastic. Because of my job, I will be in London next month. They should take your umbrella because it’s raining. I stayed there because of her illness. They hired Mary because They thought she was the best person