七年级英语下册 Unit 10 I've had this bike for three years Section A3课件

欢迎来到英语课堂欢迎来到英语课堂1.How long have you had that bike over there?Ive had it for three years.2.How long has his son owned the train and railway set?Hes owned it since his fourth birthday.3.Have you ever played football?Yes,I did when I was little,but I havent played for a while now.表示从过去已经开始持续到现在的动作表示从过去已经开始持续到现在的动作或状态，可以和表示或状态，可以和表示“从过去某一时刻从过去某一时刻延续到现在的一段时间状语延续到现在的一段时间状语”连用，如连用，如“for+时间段时间段”、“since+过去时间过去时间点点”、“since+过去时的从句过去时的从句”、“since+一段时间一段时间+ago”。且。且for与与since引导的时间状语可以相互转换。引导的时间状语可以相互转换。e.g.My uncle has worked at this factory for ten years.=My uncle has worked at this factory since ten year ago.Ive lived here since 1990 自从自从1990年以来我就住在这里。年以来我就住在这里。I havent seen him for three years.我三年没有看见他了。我三年没有看见他了。含有含有for，since的现在完成时的用法歌诀的现在完成时的用法歌诀:过去的动作或状态，一直持续到现在，过去的动作或状态，一直持续到现在，for、since 把时间带。把时间带。Shes been at this school since five years ago.自从五年前以来她就在这个学校。自从五年前以来她就在这个学校。此种用法中表示持续性的动作或状态的此种用法中表示持续性的动作或状态的 动词必须是延续性动词动词必须是延续性动词(否定句除外否定句除外)。1.这本书我买了这本书我买了5年了。年了。I have bought the book for five years.()Ive had the book for five years.()2.你哥哥参军多长时间了？你哥哥参军多长时间了？How long has your brother joined the army?()How long has your brother been in the army/been a soldier?()1.转换为相应的延续性动词，用于现在完转换为相应的延续性动词，用于现在完成时。成时。borrow keep buy have put on wear catch a cold have a cold get to know know get to sleep sleep2.转化为转化为“be+形容词形容词/副词副词/介词介词/名词名词”begin/start be on go out be out close be closed open be open get to/arrive/reach be(in)die be dead leave be away finish be overfall sleep be asleep join be in/be a member of become be make friends be friendscome/go/be+相应的介词短语相应的介词短语 1.She _ this book for nearly three weeks.A.has borrowed B.has lent C.has bought D.has kept 2.Ten years has passed _ the CCTV event People Who Moved China took place in 2002.A.when B.while C.before D.since4aRewrite the sentences using for or since.1.Jim is in Japan.He arrived there three days ago.2.They are very hungry.Their last meal was ten hours ago.They have been hungry for ten hours/since ten hours ago.Jim has been in Japan for three years.3.I have a camera.I bought it in 2009.4.I know Anna.I first met her three years ago.5.Linda is ill.She became ill on Monday.I have had a camera since 2009.I have known Ann for three years/since three years ago.Linda has been ill since Monday.4bFill in the blanks with the correct forms of the verbs in brackets.1.I _(never be)to the water park before.I want to _(go)next month before the weather gets too cold.2.They _(never own)any pets,but they _(always want)to have a dog.have never beengohave never ownedalways want3.We _(have)a piano since last November.We _(buy)it from the Li family when they moved to the US last year.4.Cathy and Amy _(not be)back to their hometown for two years.They _(miss)their hometown a lot and hope to visit the place next year.have hadboughthavent beenmiss5.This museum _(be)here for over 20 years.It _(be)one of the oldest buildings in this small town.has beenis4cFill in the questions and ask two students.Then complete the chart.1.Do you have a(n)_?How long have you had it?2.Do you own a(n)_?How long have you owned it?ThingsHow longTonyfavorite book basketballfor two yearssince he was 10 years oldstudent1Student2安全小贴上课间活动注意安全