人教版新目标英语八年级下 unit6整单元课件

,Unit6,How long have you been collecting shells?,收集贝壳,重点与难点：,现在完成进行时,构成：have / has been + V-ing,引导时间的介词 for与since的使用, I started teaching English in 2004. Im still teaching English now. How long have I been teaching English? You have been teaching English,for 5 years.,since 2004.,sins自从,Introduce, When did you start learning English? I started learning English in . Are you learning English now? Yes. So how long have you been learning English? I have been learning English for years.,He started teaching math in 1980 when he was 20 years old and he is still teaching math now.,He has been teaching math,1980,for 30 years.,since,he was 20 years old.,How long has he been teaching math?,Yi Jianlians sports life,He has been playing basketball for 11 years.,She started reading at 7:00. Now it is 9:00.,How long has she been reading?,She has been reading for 2 hours., She has been reading since 7:00.,two hours ago,half an hour,How long has he been playing computer games?, He has been playing computer games,for half an hour. since half an hour ago.,45 minutes,How long have they been playing soccer?,They have been playing soccer,for 45 minutes.,since 45 minutes ago.,started at 4:00, now its 5:00,How long have they been swimming?,They have been swimming,for an hour.,since 4:00 / an hour ago.,Pairwork,A: How long have/has been ? B: have/has been v-ing for/since,one hour ten minutes Monday,half an hour one hour ago 9:00,I have been teaching English for 13 years.,How long have you been teaching English?,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）,since _.,13 years ago,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,Since+时间点或一般过去时连用.,3. 时间状语: 1. for +一段时间 e.g: for 8 years 2. since +过去的时间点 e.g: since 1999 3. since +一般过去时的句子 e.g: since I was 25 years old,1. 含义: 表示动作从过去某一时间开始一直延续到现在。 这一动作可能刚刚开始, 也可能在继续, 其动作是否继 续下去, 由上下文而定。这个时态多用于延续性动词。,语法: 现在完成进行时,2. 构成: have / has been + v-ing +,Put the words in the box below with FOR or SINCE,2001 10 minutes last year years a long time October I left school June 12th 3 oclock 2months four days 5 weeks he arrived,for,since,10 minutes years a long time 2 months four days 5 weeks,2001 last year October I left school June 12th 3 oclock he arrived,2. Yi Jian Lian has been playing basketball for 11 years.,1. Jordon played basketball for 19 years.,现在完成进行时,一般过去时,现在进行时 表示动作正在发生或正在进行 。 例如：Alison is skating now.,时态填空: 1.How long _ you_ (collect) stamps? For half a year. 2.How long _he _(skate)? Since I _(be) ten years old. 3.When _he _(start) learning to dance? In 2002. 4.We_ (run) on the playground since 6 oclock a.m.,have,has,been skating,was,did,start,been collecting,have been running,Exercises,用for和since填空,They have been learning Chinese _ they came to China. 2. I havent seen her _ a long time. 3. He has been living here _ 2001. 4. She has been doing her homework _two hours. 5. Its 5 years _ we left school. 6. How long has Mary been a teacher? _ two years ago.,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,Whats happening in Alisons school? They are having a skating marathon. Every student wears a pair of skates.,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,Ive been skating for five hours.,I skated for two hours.,Pairwork 1c Ask and answer,Ive been skating for five hours.,I skated for four hours.,I have been skating for five hours.,时态：现在完成进行时,构成形式：,have / has been + Ving,have / has是助动词 been是be的过去分词,表示从过去开始一直持续到现在的动作， 现在可能仍在进行着,并有可能持续下去.,你知道了吗?,用所给词的正确形式填空,1. I (skate) every day? 2. How long you (sleep) last night? 3