A family is composed of persons related by blood. As a family, it is inevitable not to experience hardships and struggles. Some examples of these hardships are misunderstanding due to miscommunication. Family members tend to get involved in conflicts because they fail to communicate thus they fail to understand. Individual differences can be a reason because though family members are related by blood it does not guarantee that everyone shall understand everybody because everybody's unique. Financial instability is also another hardship that is commonly experience within a family.
I think a correct way of saying this sentence would be: Some of the people just do not know how to drive right. or Some of the people do not know how to drive right/correctly.
