新目标初中英语八年级下册《Unit6 How long have you been collecting shells》Section A　精品课件.ppt

我们的口号是:,信心攻无不克 意志无坚不摧 我有信心 我有意志 lets go for it. go.go.go.yeah!,open your mouth and read aloud.,how long have you been collecting shells?,section a,unit 6,skating,marathon,skaters,raise money for charity 为慈善事业而募捐,collect shells,several pairs of skates,new words,收集贝壳,马拉松赛跑,溜冰者,几双溜冰鞋,collect 收集，搜集 shell 贝壳，壳 marathon 马拉松赛跑 raise 筹集，筹募 skate 溜冰鞋 skater 溜冰者 several 几个的，数个的,new words,s,free talk,t: when did you go to bed last night? s: i went to bed at t: how long did you sleep last night? s: i slept for t: are you sleeping now? t: what are we doing now?,i have been teaching english for 10 years.,i started teaching english in 2002.,i am still teaching english now.,introduce,how long have you been teaching english?,when did you start learning english?,are you learning english now?,how long have you been learning english?,i have been learning english for _ years.,i started learning english when i was _ years old.,three hours,a: how long has he been playing computer games?,b: he has been _ computer games,for _.,playing,three hours,lets have a try!,play soccer for two hours a: how long has he been playing soccer? b:he has been playing soccer for two hours.,i have been teaching english for 10 years.,how long have you been teaching english?,how long has he been learning english?,he has been learning english for five years.,can you find out the rules?,1.have/has been +v.ing. 2.常与for +一段时间连用.,the present perfect progressive tense （现在完成进行时）,reading a book for one hour,a: what is she doing ? b: she is reading a book. a: how long has she been reading a book? b: she has been reading a book for one hour.,watching tv for 2 hours,a: what are they doing ? b: they are a: how long have they been +v.ing ? b: they have been for,1b listen. a reporter is talking to the participants in a skating marathon. fill in the chart below.,ive been skating for_.,i skated for _ .,five hours,two hours,alison,victor,sam,celia,1,2,3,4,pairwork,alison,sam,victor,celia,a: how long has been skating? b: she /he has been skating for a: how long did skate? b: he/ she skated for,ask and answer in pairs.,marathon,skating,if everyone can contribute a little love, the world will become a paradise. (如果人人都献出一点爱, 世界将会变成美好的人间),sam,4 hours,lu ning,4 hours,li chen,1 hour,and complete the table!,read 3a quickly,(p46),read,and answer,1. what are the students skating for? 2. how long has the skating marathon been going? 3. who was the first one to start? how long has she been skating? 4. how long has sam been skating? and lu ning? 5. when did li chen start?,the students are skating to raise money for charity.,sam has been skating for four hours.,alison was the first to start.,she has been skating for the whole five hours.,the skating marathon has been going for five hours.,he started an hour ago.,lu ning has been skating for four hours , too.,listen and repeat carefully. (仔细听并跟读) read aloud.,1. what are the students skating for? 2. how long has the skating marathon been going? 3. who was the first one to start? how long has she been skating? 4. how long have sam and lu ning been skating? 5. when did li chen start?,the students are skating to raise money for charity.,the skating marathon has been going for five hours.,try to retell it .,(alison),was the first one to start,has been skating,for five hours,(sam),(lu ning),have been skating,for four hours,(li chen),started,an hour ago,试着复述,read again and find out the three tenses then underline the sentences in 3a .,1.the present progressive tense (现在进行时态),3.the simple past tense (一般过去时态),2.the present perfect progressive (现在完成进行时态),再读，找出这三种时态然后在3a中划出这些句子。,find out the sentences in 3a:,.the present perfect progressive (现在完成进行时态),. the simple past tense (一般过去时态),.the present progressive tense (现在进行时态),1.im talking to you from the hilltop school skating marathon.,2. here, students are skating to raise money for charity.,3.several skaters are still skating.,1.the skating marathon has been going for five hours now.,2.alison was the first one to start and has been skating for the whole five hours.,3.next is sam, and he has been skating for four hours.,4.lu ning has been skating for four hours , too.,li chen just started an hour ago.,1. raise money for charity 为慈善事业而募捐,2. go for five hours 进行了五个小时,3. the whole five hours 整整五个小时,4. be the first one to do sth 第一个做某事的人.,eg: i was the first one _ (learn) english in our classroom.,to learn,phrases assemble (短语荟萃),a: li ming, what sport do you play? b: tennis. a: when did you start ? b: when i was eleven years old. a: how long have you been playing? b: three years.,groupwork,writing :,write your interview like this:,you are the best.,li ming likes tennis. he started playing tennis when he was 11 years old. he has been playing tennis for three years. wang li likes gao yang likes,含义：动作过去开始，持续至今， 并可能继续下去.,2. 构成：have/ has been + v.ing,3. 时间标志词：for+ 一段时间,summary：,.the present perfect progressive tense (现在完成进行时）,.some phrases:,raise money for charity,go for five hours,the whole five hours,be the first one to do sth.,1.now we _ _ (have) an english class . 2.he _ (go) to school yesterday 3.a: how long _ you _ (collect) shells? b: for two years. 4.a: how long _ she _ (skate) today? b: for three hours. 5. alison was the first one _(start) and has