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 ha...

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