1/ My wife and I (be) there several times in the past. 2/ We (study) almost every lesson in this book so far. 3/ He (visit) his friends recently. 4/ - You (see) her today ? - No, I haven't seen her yet. 5/ She (do) her homework already. 6/ They never (go) to the cinema in their life. 7/ Tom, I (not see) you for ages ! Where have you been ? 8/ He is the most kind-hearted man I ever (meet). 9/ There (be) 3 accidents on this street in the past 3 days. 10/ Is this the first time you (visit) our beautiful country ? 11/ Scientists (find) cures for many illnesses in the last 50 years. 12/ My uncle's health (improve) since he (leave) India. 13/ I (buy) a new shirt last week but I (not wear) it yet. 14/ I (not see ) Lan since we (leave) school. 15/ We just (move) to a new house but we (be) dissatisfied with it. 16, They …..(see) her yesterday when they were walking on the street. 17, We ………(see) that film since 1980 18, He ……..(stay ) there for ten years. 19, My parents ….(watch) TV last night. 20, They …..(see) her yesterday when they were walking on the street. 21, We ………(see) that film since 1980 22, He ……..(stay ) there for ten years. 23, My parents ….(watch) TV last night chia động từ trong ngoặc