Exercise 1 tick the correct sentences. if a tense is not correct, underline it and write the correct form. example: i have never been seeing a ghost. have never seen 1) look. the girl has been buying four dictionaries. 2) i haven't eaten anything since i arrived. 3) let's stop for a while. you've driven all morning. 4) have you ever been sleeping in a tent? 5) he's been sleeping too long. wake him up! 6) i'm sorry. how long have you been waiting? 7) i've been meeting your sister several times. 8) i've been knowing him since he was born. 9) help yourself. mum has been making delicious toasts. 10) he is sunburnt. he's been lying on the beach all day. 11) i've gone to france for five years now. 12) don't give up. you haven't been trying this way yet.