1) Can you tell me how many people ? * you have invited have you invited did you invite 2) My internet connection on and off a lot today. * is going has gone has been going 3) How many years this house? * did your parents have have your parents had your parents have 4) We’re exhausted because we all day. * have been gardening have gardened are gardening 5) We dinner when the electricity suddenly went off. * had been cooking were cooking cooked 6) When I opened the document, I saw that I to save yesterday’s work! * had forgotten forgot have forgotten 7) We had time in Barcelona we can’t wait to go again. * such a good a so good good 8) into town more next week – that’s when my course starts. * I'll have gone I'll be going I'm going 9) The meeting should be a quick one so by 3.00. * we'll be finishing we'll have finished will finish 10) If you’re cooking a meal tonight, I anything this afternoon. * ’m not eating won’t eat ’won’t have eaten