文档介绍：Unit 6 How long have you been collect ing shell s? she llco lle ct shells collect kites collect st a mps collect st u ffed animals collect c oi ns collect snow gl obes I am still teaching English now. I started teaching English in 2007. 5 years ago. I have been teach ing English How long have I been teach ing English? for 5 years. since 2007 . 5 years ago. 自从,自…以来 How long has he been teach ing math ? He has been teach ing math for 35 years. since 35 years ago. 1977 . Mr Li 1977-2012: teach math How long has Miss Li been teach ing Chinese? She has been teach ing Chinese for 11 years. since 11 years ago. 2001 Miss Li 1975: be born 2001~2012: teach Chinese she was 26 years old. When did you study English?In which year? Are you studying English now? How long have you been study ing English? I have been study ing English for ___ years. since ___ . ___ years ago. I was ___ years old . 552007 10 I have been teaching English for 5 years. since 5 years ago. 时态-现在完成进行时 have / has 是助动词 been 是 be的过去分词表示从过去开始一直持续到现在的动作, : have / has been + Ving I have been doing … for + 时间段 since + 时间点 Fill in the blanks with for or since . twins have been playing the piano ___ two hours. have been in this school ______ 1996. have been swimming ____ one hour ago. 4. He has been playing football ____ 40 minutes. has been running ____ 3 hours. 2 hours How long has she been read ing ? She has been read ing for 2 hours. She has been read ing since 2 hours ago . sister