Why do we use present perfect in these sentences? I've known Sam since 1992. We have never seen that film. I've been hungry for hours. I haven't seen her this month. They have visited Paris three times. The King has given a speech. I've lost my keys (so I can't get into my house). Which tense? Will you help me with it? We are going to be late. They have visited Japan. I am meeting them tonight. It smells delicious. I don't know. Jaká osoba? Sandra loves dancing. I can't remember anything. It snows here every November. Do you spend here all summer? We can't stop. My leg keeps hurting. Students have been asking questions for the past hour. Been vs. gone: been gone.