青少版新概念3AUnit4实用教案

1、 准时(zhn sh)美国美国(mi u)是克莱尔的祖国。是克莱尔的祖国。123456 农贸市场农贸市场(nn mo sh chn)他们要去美国呆两个月。他们要去美国呆两个月。一个漫长的早晨一个漫长的早晨我们要烧壶水，喝杯美味的茶！我们要烧壶水，喝杯美味的茶！DictationDictation第1页/共11页第一页，共11页。Robert: Whats this, Dad?William: Its an Apple 2. Its a very early computer. In fact (事实上), its the first Personal Computer,ever(曾今). It

2、 came onto the market（面世(min sh)）in 1977. Where did you find it?Personal Computer = PC 个人电脑the first 第一代第一代come onto the market上市上市(shng sh)；在市场；在市场上出售上出售第2页/共11页第二页，共11页。Robert: Mum found it in a box in the attic.William: Oh, then its mine! Its been there for years. In fact, its been there since we

3、 moved into this house! find的的过过去去(guq)式式foundmine = my computerIts been = it has been 现在完成(wn chng)时 have/has + 动词过去分词第3页/共11页第三页，共11页。Robert: Does it still work?William: I dont know Ah, there you are! Can you hear the hard disk?can 是情态动词，是情态动词，表示能够，有能力表示能够，有能力做某事做某事can + 动词的原形动词的原形(yunxng)变一般疑问句时将

4、变一般疑问句时将can提前至句首提前至句首第4页/共11页第四页，共11页。Robert: Is that noise （噪音） the hard disk? It sounds like a lawnmower ! William: It is noisy （吵闹(chono)的，嘈杂的）! It hasnt been out of its box for twenty years!noise 名词噪音(zoyn)noisy 形容词有噪声的for + 时间段第5页/共11页第五页，共11页。Robert: What can you do with it? William: Good ques

5、tion! Its just a museum piece , really. Its only got five Megabytes hard disk space.Robert: Five Megabytes! Thats nothing! （太微不足道(wi b z do)了）has got 有第6页/共11页第六页，共11页。William: I know. It was already a museum piece when I bought it, and that was a long time ago. Maybe Im a museum piece now, too!过去(g

6、uq)式is was buy bought a long time ago 很久以前 （过去(guq)时间，用过去(guq)时）第7页/共11页第七页，共11页。现在(xinzi)完成时： 表示动词发生在过去(guq)，持续到现在或对现在产生影响，后接表示延续性的时间状语 have/has + 动词过去(guq)分词 如： for+ 时间段 since+ 时间点 I have been to America since d 1998. Jack has got the car for d five years. 第8页/共11页第八页，共11页。six month three years Sundayten o clock last weekend a long time1996January for forsincesince第9页/共11页第九页，共11页。Grammar 语法(yf) has/have been + + 已经在已经在(某地某地)待了多久待了多久(du ji) / 从从.开始一直在开始一直在(某地某地)for + 时间段时间段since + 时间(shjin)点has/have gone to + 地点地点 + 已经去了已经去了(某地某地)多久多久 / 从从.开始就去了开