Unit 6 How long have you been collecting shells? 第二課時教案

一、任務(wù)示范及講解 　　1.通過打電話的方式了解同學(xué)們有什么愛好（如：打籃球、彈鋼琴、學(xué)英語等）；這個愛好持續(xù)了多長時間？在過去某一個時間里是否做過這件事（如：昨天、前天、上個星期等等）；做了多長時間？

name

hobby

how long (for)

time (past)

how long (for)

                                        　　完成任務(wù)所需要的語言結(jié)構(gòu)： 　　1) what’s your name? 　　2) what is your hobby? 　　3) how long have you been playing basketball? 　　4) i have been playing basketball for about ten years. 　　5) how long did you play it yesterday? 　　6) i played it for about two hours. 　　下面請聽老師示范： namehobby how long (for)time (past)how long (for)wang gangplay footballfor five yearsyesterdayone hourli hongdancingfor seven yearslast sundaytwo hourszhao mingswimmingfor four yearslast weekten hours　　2.讓學(xué)生自述自己做某一件事的情況。如：　　i have been studying dancing for about five years. i danced for about two hours last saturday. 等。  　　3.通過打電話對本班的同學(xué)作一個采訪，詢問他 / 她正在做什么？做了多久了？是否打算繼續(xù)做下去？并請同學(xué)們匯報調(diào)查結(jié)果 　　完成任務(wù)所需要的語言結(jié)構(gòu)： 　　1) what are you doing? 　　2) when did you do it? 　　3) how long have you been doing it? 　　4) how long did you do it? 　　下面請聽老師示范：　　a: what are you doing? 　　b: we are watching a new movie. 　　a: how long have you been watching it? 　　b: we have been watching it for about ten minutes. 　　4.同學(xué)們，為了豐富你們的課余生活，學(xué)校準(zhǔn)備組織課外活動小組。在組織活動小組之前，學(xué)校要對你們的愛好進行調(diào)查，你們有些什么愛好呢？這些愛好從什么時候開始的？到現(xiàn)在持續(xù)了多久？　　請同學(xué)們通過這個練習(xí)學(xué)會“since”和“for”在表示時間時的用法。請看下面的例句：　　1) the skating marathon has been going for eight hours. 　　2) i have been collecting kites for seven years. 　　3) he has been watching english movies since 1998. 　　4) i have been listening to music videos since i was seven years old. 　　通過以上例句我們可以看出for后面接的是一個時間段：eight hours和 seven years，而since后面接的是具體的時間點：1998 （1998年）、i was seven years old（我7歲）。　　首先聽老師的示范，……，下面請同學(xué)們自己完成表格。 namehobbyhow long    since  for      since  for      since  for  　　完成任務(wù)所需要的語言結(jié)構(gòu)： 　　1. i have been doing it since i was ten years old. 　　2. i have been doing it for six years. 　　老師示范：

name

hobby

how long

wu qingrunning

since

i have been running since i was a child.

for

i have been running for five years.li qiangcollect kites

since

i have been collecting kites since i was eight.

for

i have been collecting kites for about six yeas.　　二.布置作業(yè)　　1.聽力練習(xí)　　section b  2a, 2b 　　2.預(yù)習(xí)section b  3a