Present perfect with for and since 1 Complete the questions and answers with the present perfect form and for or since. 1 How long have you had (have) that laptop? (three years) I've had it for three years. 2 How long your grandma (be) retired? (2017) 3 How long you (eat) lunch at school? (a very long time) 4 How long your cousins (live) in Mexico? (their mum got a new job) 5 How long we (play) in a band together? (seven months)