Помогите пожалуйста срочно нужно сделать номер 11.2

11.2
2 How long has she been teaching English?
3 How long has Jane known Carol?
4 How long have they been to Australia?
5 How long has Tom been wearing that jacket?
6 How long has Alan been working at the airport?
7 How long has he been having driving lessons?
8 Have you already lived in Glasgow?