Present Perfect. Предложения со словами помощниками. Для 4 класса

She has been a pupil at this school for 2 years.Have you ever visited London?My mum has already cooked supper. I haven't spoken to him yet. I have just finished my homework. How long have you known her? My dad has recently bought a new mobile.My brother has never seen a tiger. Ann has been ill since Monday