Of course, there are some students being more willing to study than others. [incorrect] Of course, there are some students who are more willing to study than others. [correct] In the West, we are used to having clean water which comes out of the tap. [correct] In the West, we are used to have clean water which comes out of the tap. [incorrect] The verbs be and have are not usually used in continuous forms [ being and having] when they are a main verb with their basic meaning - be = to exist , have = to possess : These people are among the the most disadvantaged in society . [not are being ] They have a loving family to look after them . [not are having ] They are sometimes used as main verb with a different meaning in a continuous form to emphasise a temporary state or action: She's having a shower at the moment . [= showering ] We're having a great time here in New York . [= enjoying our visit] My boss is being awkward about giving me time o