1、Unit 10 Ive had this bike for three years. Listen to the conversation. Fill in the blanks. A:Hey Eric, _you enjoyed your time in Beijing so far? B:Yes,it been great! Everyone is so friendly. A:How long you been in China now? B:Oh,I here about two years now. A:Wow,that means you havent back to the US
2、 for two years? B:No,I been back twice moving to China. you been to the US before, LiJuan? A:Yes,I went there once when I 10 years old, but I not been back _ then. have has have have been for been have since Have was have since 表示从过去已经开始持续到现在的动作表示从过去已经开始持续到现在的动作 或状态，可以和表示“从过去某一时刻或状态，可以和表示“从过去某一时刻 延续
3、到现在的一段时间状语”连用，如延续到现在的一段时间状语”连用，如 “for+段时间段时间”、“”、“since+过去点时过去点时 间间”、“”、“since+过去时的从句过去时的从句”、”、 “since+一段时间一段时间+ago”。且。且for与与since 引导的时间状语可以相互转换。引导的时间状语可以相互转换。 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，但区别较都能与现在完成时连用，但区别较 大：大： （1）for后须接“时间段”后须接“时间段” He has studied English for five years
4、. 他学英语他学英语5年了。年了。 （2）since后须接“时间点”后须接“时间点” He has studied English since 1999. 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。 e.g. My uncle has worked at this facto
5、ry for ten years. = My uncle has worked at this factory since ten years ago. Ive lived here since 1990 I havent seen him for three years. 选择选择for或或since填空：填空： 1.I have been here _five months ago. 2. He has been a soldier _ about two months. 3. Great changes have taken place _ you left. 4. His grandp
6、a has been dead _ ten years. 5. I have studied English _ I was 12 years old. 6. It is two years _ I became a student. since for since for since since For和和since引出的时间状语往往用引出的时间状语往往用 how long提问。提问。 How long have you had this book? 这本书你买多久了这本书你买多久了? For a week./Since a week ago. 买一周了。买一周了。 此种用法中表示持续性的动
7、作或状态的此种用法中表示持续性的动作或状态的 动词必须是延续性动词动词必须是延续性动词(否定句除外否定句除外)。 如何区分非延续性动词如何区分非延续性动词 (瞬间动词瞬间动词）与延续性动词）与延续性动词 （持续性动词）持续性动词）？ 表示短暂性表示短暂性(瞬间性瞬间性)的动词在现在完成时的句中的动词在现在完成时的句中不能不能 和和一段时间一段时间连用连用.短暂性的动词如：短暂性的动词如：come，go，join， leave，buy, die等，在完成时态中不能与等，在完成时态中不能与for, since短短 语或语或How long等引起的时间状语连用。等引起的时间状语连用。 Lets ch
8、ant! 瞬间动词动作快，瞬间动词动作快，for和和since时间段，时间段， 不能相连需转化，不能相连需转化，buy要变身成要变身成have, begin就是就是be on, leave就是就是be away, finish就是就是be over, sleep就是就是be asleep, die就是就是be dead, open就是就是be open 1. 转换为相应的延续性动词，用于现在完转换为相应的延续性动词，用于现在完 成时。成时。 borrow keep buy have put on wear catch a cold have a cold get to know know ge
9、t to sleep sleep 2. 转化为“转化为“be + 形容词形容词/副词副词/介词介词/名词”名词” begin / start be on go out be out close be closed open be open get to/arrive/reach be (in) die be dead leave be away finish be over fall sleep be asleep join be in/be a member of become be make friends be friends come/go/ be+相应的介词短语相应的介词短语 Tru
10、e or FalseTrue or False 1. 这本书我买了这本书我买了5年了。年了。 I have bought the book for five years. ( ) Ive had the book for five years. ( ) 2. 你哥哥参军多长时间了？你哥哥参军多长时间了？ How long has your brother joined the army? ( ) How long has your brother been in the army/been a soldier? ( ) T T F F 同义句转换同义句转换 1、He got to Beijin
11、g five minutes ago. He_ Beijing for _ 2、I became a teacher in 2000. I _a teacher for _. 3、He died in 2002. He _ for _. 4、They married in 1990. They _since _. 5、I became a teacher in 2010. I _a teacher for _. has been in five minutes have been nineteen years has been dead seventeen years have been ma
12、rried 1990 have been nine years Make a survey, then write a passage. Things How long Tony favorite toy for two years basketball since he was 10 years old student 1 student 2 Hello,Im Tony.My favorite thing from childhood is a toy. Ive had it since I was a baby. It has special meaning to me because g
13、randma gave it to me. My friend Tom has had his model plane for two months. Lily has had her bike since a year ago 一、单项选择一、单项选择 1、When he arrived at the bus stop, the bus _ for 20 minutes. A. has left B. had left C. has been away D. had been away 2. The factory _ since the February of 1988. A . has
14、been open B. has opened C. was open D. opened 3.Miss Gao _ this school for 5 years. A. has been in B. has come to C. has taught 4. I _ home for a week. A. have returned B. have been back C. returned 5. How long _ he _ ? A. died B. has, died C. has, been dead C A A B C Proverb The man who has made up his mind to win will never say impossible .(Bonaparte Napoleon ,French emperor ) 凡是决心取得胜利的人是从来不说不可 能的。( 法国皇帝 拿破仑. B.) 1.1.背诵今天学到的单词；背诵今天学到的单词； 2.2.熟读语法熟读语法 Homework
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