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1、学练优八年级英语下学练优八年级英语下（RJRJ）教学课件教学课件SectionA(3a-4c)Unit 10 Ive had this bike for three years.LeadinReviewtheconversationtheylearnedinlastclass.How long have you had that bike over there?A:Doyouhavea(n)_?B:Yes,Ido.A:Howlonghaveyouhadit?B:Ivehaditfor/since3bReadthearticleagainandanswerthequestions.1.Why d
2、id they decide to have a yard sale?2.What do they want to do with the money from the sale?3.Why does the son want to keep the train and railway set?4.How can the old toys be useful again?5.Have you ever thought about a yard sale to sell your things?探究点一探究点一 ReadingReading3c Find the words or phrases
3、 in the article which can be replaced with the ones below and write down them next to the words.losepart with kids_truthful_ many_some time_ even though_quickly_ older_Childrenhonesta lot of a whilealthoughfastgrowing up Summary现在完成时用法（二）现在完成时用法（二）此用法需注意两点：此用法需注意两点：1）常与）常与for,since引导的时间段的时间状语连用。引导的时
4、间段的时间状语连用。2）动词）动词使用使用延续性动词延续性动词。since,for的用法的用法:since:自自.以来以来1)since+时间点时间点Hehasstayedheresince5oclock.2)since+时间段时间段+agoHehasstayedheresince5hoursago.3)since+从句从句(句子要用一般过去时态）句子要用一般过去时态）ShehastaughtEnglishsincehecamehere.for:(长达）长达）for+时间段时间段Hehaskeptthebookfor2weeks.since一段时间一段时间agofor时间时间段段;sincet
5、woweeksago=fortwoweeks;Ihavekeptthelibrarybookforaweek.=Ihavekeptthelibrarybooksinceaweekago.在现在完成时态中，在现在完成时态中，for与与since引导的时间引导的时间状语可以相互转换。状语可以相互转换。It is+时间段时间段+since+一般过去时的句子一般过去时的句子.1.他的爷爷已经去世2年了。2.Nick参军三年了。3.他离开深圳好长时间了。4.这本书我已借了4个月了。It is 2 years since his grandpa died.It is 3 years since Nick
6、joined the army.It is a long time since he left Shenzhen.It is 4 months since I borrowed the book.含有含有for，since的现在完成时的用法的现在完成时的用法歌诀歌诀:过去的动作或状态，一直持续过去的动作或状态，一直持续到现在，到现在，for,since 把时间带。把时间带。常见非延续性动词和延续性动词的转变常见非延续性动词和延续性动词的转变第一类第一类：短暂性动词：短暂性动词be+adj.diefinishopen/closefallill/asleepmarrysb/getmarriedto
7、第二类第二类：短暂性动词：短暂性动词be+介词介词start/beginleavejoinbedeadbeawayfrombein/beamemberofbeopen/closedbeonbeoverbeill/asleepbemarriedto第三类第三类：短暂性动词：短暂性动词另一个动词另一个动词buyborrowbecomeputonkeephavebewear 巧记瞬间性动词的转换：巧记瞬间性动词的转换：开始开始离去借来还离去借来还，出生出生入入死死买买到到家家，穿衣穿衣入睡入睡要要感冒感冒，开开开开关关关关变变结束结束。1 beginbe on6 returnbe back2 lea
8、vebe away from 7 joinbe in3 gobe off8 diebe dead4 borrow keep9 buyhave5 comebe here10 arrive be here10 reachbe here 11 put onwear12 fall asleepbe asleep13 catch a coldhave a cold14 openbe open 15 closebe closed16 become be17 end/finishbe over4aRewritethesentencesusingfororsince.1.Jim is in Japan.He
9、arrived there three days ago.2.They are very hungry.Their last meal was ten hours ago.They havent eaten for ten hours/since ten hours ago.Jim has been in Japan for three years.Quiz3.I have a camera.I bought it in 2009.4.I know Anna.I first met her three years ago.I have had a camera since 2009.I hav
10、e known Ann for three years/since three years ago.Linda has been ill since Monday.5.Linda is ill.She became ill on Monday.4bFillintheblankswiththecorrectformsoftheverbsinbrackets.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
11、 pets,but they _(always want)to have a dog.have never beengohave never ownedhave always wanted3.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
12、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 beenisFillinthequestionsandasktwostudents.Thencompletethechart.1.Do you have a(n)_?How long have you had it?2.Do you own a(n)_?How long have you owned it?4c1.Read the listening materials five times.2.Preview the passage in 3a.Homework