1. Decide if the tenses in these sentences are correct or not. if not, correct them a. They are talking since 8 o'clock so it must be something impo

1. Decide if the tenses in these sentences are correct or not. if not, correct them a. They are talking since 8 o'clock so it must be something important. b. I have this computer for three years and it works very well. c. We have seen a lot of films recently ans I think "Kill Bill" is theworst d. We haven't talked for ages! How are you? e. I've been patient. I was waiting for six weeks, but I can't any longer. f. How many letters have you received so far? g. When have you seen her? h. I have cleaned the house since the morning and I haven't finished yet. i. We are neighbours for a long time