Tham khảo tài liệu 'format test 8', ngoại ngữ, anh ngữ phổ thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 187 243 5 Repeated actions up to now We use the present perfect to say that something has happened several times up to the present. I ve written six letters since lunchtime. . PAST----------------------------------------------------- NOW How often have you been in love in your life 6 Actions and states continuing up to now We use the present perfect to talk about actions states and situations which started in the past and still continue. PAST I I ve studied hard for years. NOW PAST I I ve known him since 1960. NOW PAST I I ve always liked you. NOW PAST I How long have you been here7 NOW PAST I We ve always lived here. NOW We also use the present perfect progressive in this way. For the difference see . Do not use the simple present to say how long something has gone on. I ve known him since 1960. NOT I know him . . . 7 Present perfect not used We do not use the present perfect with adverbs of finished time like yesterday last week then three years ago in 1960 . I saw Lucy yesterday NOT I have seen Lucy yesterday. Tom was ill last week NOT -Tom has been ill last week. What did you do then NOT What have you done then She died three years ago NOT She has died three years ago. He was born in 1960 NOT -He has been born in 1960. We do not use the present perfect in narrative when we tell stories or give details of past events. See 241. For the structure This is the first time I have . . . see 246. 244 188 244 past time present perfect progressive 1 Forms Affirmative Question Negative I have been working you have been working etc have I been working have you been working etc I have not been working etc 2 Meaning We use the present perfect progressive to talk about actions states and situations which started in the past and still continue or which have just Have you been waiting long 189 244 3 since and for We often use the present perfect progressive with since or for to say how long something has been going on. It s been raining non-stop since Monday. It s been .
