Unit 6How long have you been collecting shells?Grammar (现在完成进行时）现在完成进行时）Learning Aims(学习目标）学习目标）1.掌握现在完成进行时的掌握现在完成进行时的定义，定义，构成构成及其及其用法，用法，并会做相关的题并会做相关的题。（快乐探究（快乐探究 一）一）一一. 看看 P99 和小组成员讨论和小组成员讨论现在完成进现在完成进行时行时定义及其肯定句定义及其肯定句的构成的构成.（ 2分钟）分钟）二二. 看看 P99 和小组成员讨论和小组成员讨论现在完成现在完成进进行时行时否定句否定句/一般疑问句一般疑问句/特殊疑问句特殊疑问句的的构成构成.（2分钟）分钟）定义：定义：表示某动作从过去开始，一直延表示某动作从过去开始，一直延续到现在动作续到现在动作,并可能延续到将来。并可能延续到将来。构成：主语构成：主语+ have/has been + V-ing +肯定句肯定句： 注意：注意：havehas在句中没有在句中没有意思，是意思，是助动词助动词。I have been skating for five hours.我我已经已经滑了五个小时了滑了五个小时了.(延续性动词）延续性动词）He has been sleeping for eight hours.他他已经已经睡了八个小时了睡了八个小时了.(延续性动词）延续性动词）How long have they been working?(a week)They have been working for a week .否定句：否定句：主语主语+have / has+not +been+ doing (现在分词现在分词)1.He has been sleeping for 4 hours.2.He hasnt been sleeping for 4 hours.3.一般疑问句：一般疑问句：Have / Has +主语主语+been 4.+doing (现在分词）现在分词）?5.1. He has been sleeping for 4 hours.6.2. Has he been sleeping for 4 hours?他他已经已经四个小时都没有睡觉了四个小时都没有睡觉了.他已经睡了四个小时了吗？他已经睡了四个小时了吗？.肯定回答：肯定回答： Yes, he has.否定回答：否定回答：No, he hasnt.特殊般疑问句：特殊疑问词特殊般疑问句：特殊疑问词+have / has +主主语语+been +doing (现在分词现在分词）?1. He has been sleeping for 4 hours.2. How long has he been sleeping?他已经睡了多长时间啦？他已经睡了多长时间啦？（快乐探究二）（快乐探究二）三三.观察下列句子，总结现在完成进行时常观察下列句子，总结现在完成进行时常和和什么词引导的时间状语连用什么词引导的时间状语连用，他们之间，他们之间有什么有什么区别区别.（我们一起完成我们一起完成）I am still teaching English now. I have been teaching English for ten years.Since（自（自从从） 2001温馨提示温馨提示:看时间状语的看时间状语的引导词引导词和后面的时和后面的时间状语。间状语。*He started teaching math when he was 20 years old. He is 50 years old now and he is still teaching math.How long has he been teaching math?He has been teaching math for 30 years.since he was 20 years old.30 years ago.2 hoursHow long has she been learning?She has been learningfor 2 hours.since 2 hours ago.注意：注意：for /since 后接时间段后接时间段有何区别有何区别.可以用以下句型来表示可以用以下句型来表示: e.g. Ive been skating since nine oclock/2002. Ive been skating since I was seven years old. Ive been skating for five hours. for +have / has been + doing sth.+ since + since+现在完成进行时现在完成进行时一段时间一段时间过去的时间点过去的时间点/时间段时间段 +ago从句从句 (一般过去一般过去时时)注意：注意：Ive been skating since five hours ago.用用forfor和和sincesince填空填空1.They have been learning Chinese _2. they came to China.3.2.He has been living here _ 2001.4.3. She has been doing her homework _two hours.5.4. How long has Mary been swimming?6. _ she was five years old. 7.5. Jim has been skating _ five years ago.sincesinceforSincesince特别注意：特别注意：He has been playing basketball for 19 years.He has been playing basketball since 1989. He has been playing basketball since he was 9 years old.对现在完成进行时中的时间状语提问时对现在完成进行时中的时间状语提问时用：用： How long has he been playing basketball?how long+一般疑问句？一般疑问句？He has been playing basketball since 19 years ago.Yao Mings sports life1980was born1989started playing basketballhas been playing22 years2011playsHow long has Yao Ming been playing basketball?Yao Ming has been playing basketball for 22 years.Yao Ming has been playing basketball since 1989.Yao Ming has been playing basketball since 22 years ago. Yao Ming has been playing basketball since he was 9 years old .Happy Testing (快乐检测快乐检测)练习坊练习坊一、选择填空一、选择填空( )1. Ive been skating _ three hours today.A. about B. forC. since( )2. Weve been studying English _two years ago. A. for B. fromC. sinceBC( )3. She has been skating _ 9 oclock.A. for B. at C. since( )4. Sam _ collecting shells for five years.A. isB. started C. has been( )5. How long have you _ today?A. swimming B. been swimming C. start swimmingCBC6. Lucy has been studying Chinese _ she was 6 years old.7. I have been watching you _ 10 minutes.8. She has been running _ 15 minutes ago.9. Tom has been sleeping _ 9:00.sinceforsincesince Translate and write them down.1. 他踢足球踢了多长时间了？他踢足球踢了多长时间了？ 他踢了五个小时了。他踢了五个小时了。2. 你游泳有多久了？你游泳有多久了？ 我从七岁就开始游泳了。我从七岁就开始游泳了。- How long has he been playing football?- Hes been playing for five hours.- How long have you been swimming?- Ive been swimming since I was seven years old. 1She hasnt been playing soccer for four hours.她已经有四个小时没有踢足球了。她已经有四个小时没有踢足球了。2How long have you been studying English? 你学英语有多久了？你学英语有多久了？3Have you been doing your homework since two hours ago? 自从两个小时以前你就一直在写作业吗自从两个小时以前你就一直在写作业吗？Talk about your harvests 畅谈收获畅谈收获How long have you been doing? Ive been doingfor+一段时间一段时间since+一个时间点一个时间点 + 一段时间一段时间+ago+ago + 从句从句 时态现在完成进行时时态现在完成进行时构成形式：构成形式：have / has been + Ving表示从过去开始一直持续到现在的动作，表示从过去开始一直持续到现在的动作，并有可能持续下去并有可能持续下去肯定句：肯定句： 主语主语+have / has been +doing（现在分词）（现在分词）否定句：否定句： 主语主语+have / has+not + been+doing （现在分（现在分词）词）一般疑问句：一般疑问句： Have / Has +主语主语+been +doing (现在分词）现在分词）?对时间状语提问时用：对时间状语提问时用：How long +一般般疑问一般般疑问句？句？