人教版英语八年级下册Unit10SectionA3a4c精美课件.ppt（纯ppt,不包含音视频素材）

1、Unit 10 Ive had this bike for three years.Section A(3a-4c)1.To learn the usage of for and since.2.To use the Grammar Focus sentences to create simple conversation.3.To review the present perfect tense.4.To learn new words.3a3a Read the article written by a father for a newspaper.What is his family g

2、oing to sell at the yard sale?My children are growing up fast.My daughter is 16 and my boy is already in junior high school.As they get bigger,our house seems to get smaller.So we want to sell some of our things in a yard sale and give the money to a childrens home.We have already cleared out a lot

3、of things from our bedrooms.We have decided to each sell five things that we no longer use.My son was quite sad at first.Although he has not played with his old toys for a long time,he still wanted to keep them.For example,he has owned a train and railway set since his fourth birthday,and he played

4、with it almost every week until he was about seven.And he did not want to lose his toy monkey,either.He slept next to the monkey every night when he was a child.My daughter was more understanding,although she also felt sad to part with certain toys.As for me,I did not want to give up my football shi

5、rts,but,to be honest,I have not played for a while now.I am getting older,too!What is his family going to sell at the yard sale?Son:a train and railway set the toy monkey Daughter:certain toys Father:football shirts 3b3b Read the article again and answer the questions.1.Why did they decide to have a

6、 yard sale?They decided to have a yard sale because they have too many things in the house.2.What do they want to do with the money from the sale?They want to give the money to a childrens home.3.Why does the son want to keep his train and railway set?He wants to keep his train and railway set becau

7、se he has had it since his fourth birthday and he played with it almost every week until he was about seven.4.How can the old toys be useful again?Old toys can bring joy to children who dont have the money to buy toys.5.Have you ever thought about having a yard sale to sell your things?What would yo

8、u do with the money you raise?Yes,I have.I would give the money I raise to my favorite animal shelter to help the animals there.3c3c Find the words or phrases in the article which can be replaced with the ones below and write them next to the words.part with children lose _ kids _ a lot of truthful

9、_ many _ honest some time _ a while although even though _ growing up fast quickly _ older _ for 和和 since 在现在完成时中的应用在现在完成时中的应用 for与与since都能与现在完成时连用，但区别较大：都能与现在完成时连用，但区别较大：（1）for后须接后须接“时间段时间段”He has studied English for five years.他学英语他学英语5年了。年了。（2）since后须接后须接“时间点时间点”He has studied English since 1999.

10、他从他从19991999年开始学英语。年开始学英语。（3）二者可以转换）二者可以转换 for+一段时间一段时间=since+一段时间一段时间+ago He has been here for five weeks.=He has been here since five weeks ago.他到这儿已经有五个星期了。他到这儿已经有五个星期了。（4）since能引导时间状语从句能引导时间状语从句(主句用现在完主句用现在完成时，从句用一般过去时成时，从句用一般过去时)，而，而for则不能。则不能。He has taught here since he came to China.自从他来到中国就在

11、这儿教书。自从他来到中国就在这儿教书。We have been friends since we met in school.我们从在学校见面起就成为了好朋友。我们从在学校见面起就成为了好朋友。（5）现在完成时常用句型：）现在完成时常用句型：It is(has been)+时间段时间段+since+时间状语或从时间状语或从句句 It is four days since last Friday.从上周五到现在已经四天了。从上周五到现在已经四天了。（6）均须与延续性动词连用，也可以与非延）均须与延续性动词连用，也可以与非延 续性动词的否定式连用。续性动词的否定式连用。非延续性动词和延续性动词的转

12、换非延续性动词和延续性动词的转换 buy have become be die be dead fall ill be ill finish be over get upbe up leave be away come here be here borrow keep fall asleep be asleep go there be there begin/start be on come back be back open sth.keep sth.open join be on+组织机构组织机构/be a member of+组织机构组织机构 4a4a Rewrite the sente

13、nces using for or since.1.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 had meal for ten hours.3.I have a camera.I bought it in 2009.I have had a camera since 2009.4.I know Anna.I first met

14、her three years ago.I have known Anna for three years.5.Linda is ill.She became ill on Monday.Linda has been ill since Monday.Fill in the blanks with the correct 4b4b forms of the verbs in brackets.have never been 1.I _(never be)to the go water park before.I want to _(go)next month before the weathe

15、r gets too cold.have never owned 2.They _(never own)have always wanted any pets,but they _ (always want)to have a dog.3.We _(have)a piano since last have had bought November.We _(buy)it from the Li family when they moved to the US last year.4.Cathy and Amy _ have not been/havent been (not be)back to

16、 their hometown for two years.They _(miss)their hometown a miss lot and hope to visit the place next year.5.This museum _(be)here for over has been 20 years.It _(be)one of the oldest is buildings in this small town.4c4c Fill 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?Things Tony Student 1 Student 2 How long favorite book for two years basketball since he was 10 years old Review the Grammar Focus and tell the differences between for and since.