unit10 Grammar Focus-4c.ppt

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1、Unit 10Ive had this bike for three years.Section A（Grammar focus-4c)安徽安庆宿松经开区龙山学校 孙丹丹I became a teacher in 2007.How long have I been a teacher?I have been a teacher for 11years.I have been a teacher since 2007.How long have you I have for/since现在完成时态三现在完成时态三现在完成时现在完成时forfor和和sincesince延续性和非延续性动词延续性和

2、非延续性动词 for 用于现在完成时态的时候，后面要与一段时间连用，表示动作延续时间的长度.I have had my schoolbag for four months.He has studied here for two years.We have had English for 10 mins.Since“自从；从以来”一般用于现在完成时态，后面接一般过去时的时间或者动作；也可以接一段时间加上ago.I have had my schoolbag since four months ago.He has studied here since he moved here.We have

3、had English since 8:30。时间段一段时间+ago过去的动作/过去的从句过去的时间注意：非延续动词在肯定句中不能与since和for搭配使用！I have borrowed this book for five years.I have kept this book for five years she has bought this sweater since 2017She has had/owned this sweater since 2017什么是非延续性动词和延续性动词？He has come to Beijing for two years.He has bee

4、n in Beijing for two years 非延续性非延续性动词动词 延续性动词延续性动词 come be(in)buy have borrow keep leave be away die be dead stop be over begin/start be on open -be open close -be closed 延续性动词表示经验、经历，而非延续性动词表示行为的结果，不能与表示一段时间的状语连用【注意】现在完成时态当中非延续性动词与延续性动词的转变Grammar Focus1.你拥有那边那辆自行车多久了？我已经拥有三年了。How long that bike ove

5、r there.Ive had it .2.他儿子拥有那组火车和铁路套装玩具多久了？他自从四岁起就一直拥有它。How long the train and railway set?Hes owned it .3.你曾经踢过足球吗？是的，我小的时候踢过，但是现在我已经有一阵子不踢足球了。Have you played football?Yes,I have.When I was little,but I .have you hadfor three yearshas his son ownedsince his fourth birthdayeverhavent played for a whi

6、le now4a Rewrite the sentences using for or since1.Jim is in Japan.He arrived there three days ago.Jim has been in Japan for three days.2.They are very hungry.Their last meal was ten hours ago.They have not eaten for ten hours.3.I have a camera.I bought it in 2009.I have had a camera since 2009.4.I

7、know Ann.I first met her three years ago.I have known Anna for three years/since three years ago.5.Linda is ill.She became ill on Monday.Linda has been ill since Monday.4b Fill in the blanks with the correct forms of verbs in brackets1.I _(never be)to the water park before.I want to _(go)next month

8、before the weather gets too cold.2.They _(never own)any pets,but they _ (always want)to have a dog.3.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

9、 and hope to visit the place next year.5.This museum _(be)here for over 20 years.It _(be)one of the oldest buildings in this small town.have never beengohave never ownedhave always wantedhave hadboughthavent beenmisshas been is4c Groupwork.Fill in the questions and ask other students.Then complete t

10、he 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 bookbasketballfor two yearssince he was 10 years oldStudent 1Student 2Ask students to report their groupwork like this.In our goup,has hadfor three years/since three years a

11、go.We have many things.Maybe we have had them for many years.Some of them which we like to keep because they bring back sweet memories or they are meaningful to us.But others,if we dont want to keep,we can give them away to the poor children who need these.what can we do?Summary现在完成时态当中for与since的用法 for+时间段 since+过去的时间/过去的动作/从句/一段时间+ago注意：现在完成时态中非延续性动词和延续性动词的转变HomeworkWrite five more sentences by using the present perfect tense with for/since.