1、Unit 10 Ive had this bike for three years.spend cost take pay的用法辨析(2)理解“現在完成時”的用法人教版英語八級下冊 spend cost take pay的用法辨析-How much did the Christmas tree cost?-It cost me 200 yuan.I spent 200 yuan on it.I paid 200 yuan for it.導入新課花費spendcosttakepay知識講解spend時間、金錢主語一般是人（sb）常用的兩種結構：spend(in) doing sth spendo

2、n sthspendHe spent 10 yuan (in) buying the pen He spent 30 minutes on his homework.cost金錢主語一般是物（sth）常用的句型結構：sth cost sb some moneyThe book cost me 12 yuan.take時間常用的句型結構：It takes sb some time to do sthIt took him 2 hours to finish his homework .pay金錢主語一般是人（sb）常用的結構：pay for sth He paid 10 yuan for the

3、 book.1. The Christmas tree costs me 200 yuan.主語通常是事或物，表示花費金錢常見搭配是：sth cost (sb) some money2. I spend 200 yuan on the Christmas tree .主語只能是人，不能是物，可以表示花費時間，也可以表示花費金錢。常見搭配：sb spend some time/money on sth sb spend some time/money (in) doing sthWe spent almost 3 hours (in) decorating it.要點分析3. It took u

4、s almost 3 hours to decorate it.主語通常是形式主語it或物，表示花費時間常見搭配是：It takes sb some time to do sth4. I paid 200 yuan for the Christmas tree.主語通常是人，表示花費金錢常見搭配是：sb pay some money for sth要點分析學以致用It will _her 3 hours to finish the work.This dress _me 300 yuan.He _160 dollars for the bike last month.We_2 hours do

5、ing some cleaning yesterday.takecostpaidspent小結cost spend take pay 表示花費的區別主語 對象 結構cost事物sth cost (sb) moneyspend人sb spend time/money on sthsb spend time/money (in) doing sth takeIt 或事物 sth takes timeIt takes sb time to do sthpay人sb pay money for sth理解“現在完成時”的用法教學過程15理解例句所表達的時間?，F在完成時：表示從過去已經開始，一直持續到現

6、在，并且有可能繼續下去的動作或狀態。分析語境：“我已經在北京生活了30年?！保白詮?988年起，我一直生活在北京?！薄＝Y合以上兩個示例：從1988年起到現在，我都生活在北京，并且可能以后繼續在北京生活。She has lived in Beijing for 30 years.She has lived in Beijing since 1988.教學過程16She has lived in Beijing for 30 years.She has lived in Beijing since 1988.for找出例句中的標志詞，并分析不同點?，F在完成時常與“for+時間段”，“since+

7、時間點”連用。since一段時間時間點fornowsince教學過程17He _ (be) in bed since 3 days ago.分析語境：ago是一般過去時的標志詞，當其前有since時，表示從過去某個時間開始到現在的動作或狀態，要用現在完成時。判斷下列例句適用于哪個時態？“since+時間段+ago”用于現在完成時He _ (be) sick 3 days ago.has beenwas教學過程18I have learnt English since I was five years old.分析語境：自從我五歲時，我就已經開始學習英語了。（學習英語這個動作是從過去一直持續到現

8、在，并且有可能繼續下去。）since引導的從句時態用一般過去時。找出適用于現在完成時的時間標志。“since+從句（用一般過去時）”用于現在完成時教學過程19概念時間標志從過去開始到現在并可能繼續下去for+時間段since+過去時間點since+時間段+agosince+過去時的句子記憶技巧：現完攜手for與since從過去到現在到將來現在完成時的用法能用表格總結現在完成時的用法嗎？教學過程20The boy has prepared his show for 6 months.She hasforThey are the actors who will have their show. P

9、lease guess how long they have prepared for their shows.運用“Sb has done sth for+一段時間. ”進行造句。教學過程21I havesinceDiscuss the topics in groups.I have been a teacher since 2012. And how about you?運用“Sb has done sth since+時間點（從句）. ”進行小組討論。I have been a girl since I was born.1. I _ here for 10 years.A. live B. am living C. lived