Identify three words that make the following text grammatically incorrect.

After a long life in the buzzing city Of Johannesburg, Mr and Mrs Molefe moved to a small, quiet, rural town in the North-west. They explained that their children is adults; so, there was no need to be in the city anymore. Me will adopt their style of parenting when I become a parent. We are told that Western modern life requires that when children become adults, they have to supporting themselves, which includes moving out of their parent's home.