Learning about Language教学实录与评析

选修八Unit 5

Meeting your ancestors

Learning about Language

教学设计

鹿泉区第三中学 王建伟

一.教学目标

处理课本上的练习题以此来巩固本单元所学内容，学习本单元的语法知识—现在完成进行时

二.教学难重点

现在完成进行时的掌握以及它与现在完成时的区别

三.教学步骤

1，Discovering useful words and expressions Complete the passage using the

correct form of the words and phrase.

Davidson Black was a Canadian doctor who organized the ____________ that led to the discovery of the bones in the Zhoukoudian caves near Beijing. He was a specialist in the study of bones and it was his ambition to find and ________ bones of early humans. His university was ______ of the significance of his work. At first they gave him ______ time to do this research, but later they realized he was prepared to pursue it ______________ his students’ needs and his teaching career, so they forbade him to travel there any more. It was his assistant, Pei Wenzhong, who made the discovery of these ________ bones and _________ stone tools.

2 Complete these sentences using the correct form of the phrases below.

on behalf of in spite of regardless of ahead of because of instead of

1. Nobody has the right to spit in thestreet _____________ their social position or age. 2. _________ the song’s popularity, the band deleted it from their new album as they failed to find one who could sing it well enough. 3. Sophie got a bad scratch from her cat __________ her carelessness while playing with it. 4. Sam made a tentative guess that six months of his flying course lay ________ him. 5. The vice president gave a welcome speech ____________ the Academy of Arts at the exhibition. 6. The guest waited patiently at the receptionist’s desk ___________ interrupting the meeting. 现在完成进行时

My younger brother has beeaccessing (access) the net. 现在完成进行时

1. 构成形式: has\have been doing

2. 具体用法 1)动作从过去某一时间开始，一直延续到 现在，或者刚刚终止，或者可能仍要继续下去。

常和持续性动词(live, learn, lie, stay, wait等) 及时间段(all the time, all night, recently ,since 和

for…)连用。

You have been studying for four straight hours. Why don’t you take a break?

2) 叙述“最近”一直从事的工作或活动。

lately, recently（动作延续性）

What’s the matter? Your eyes are red and

puffy. Have

you

been

crying? 你是不是一直在哭? 3) 表示重复动作。有时现在完成进行时所

表示的动作并不是在一直不停地进行, 而是

在断断续续地重复。 I have been knocking. I don’t think anybody’s

in. 我一直在敲门, 我想没人在里面。

现在完成时：现在完成时用来表示之前已发生或完成的动作或状态，其结果的影响现在还存在；也可表示持续到现在的动作或状态。其构成：have （has） +过去分词。

1)表示结果, 其(短暂性)动作发生在过去，但对现在有影响 (翻译:刚刚…了e.g. .He has put the pen on the desk.) 2)表示(延续性)动作从过去一直持续到现在. (翻译:已经..了 e.g. He has lived in Beijing for 10 years) 强调一段时间内的持续性动作和状态。

Practice 1. China sent up Shenzhou V manned spaceship into space successfully, which shows science and technology ________ rapidly in China. A. have been developing B. develops C. is developing D. had developed 2. --Hi, Tracy, you look tired. --I am tired. I _________ the living room all day. A. painted B. had painted C. have been painting D. have painted 3. The two friends ________ on the Internet for three hours, and they would go on till the next morning. A. had been chatting B. had chatted C. were chatting D. have been chatting 4. ----How long _________ in the factory? ----Since 1990. A. were you working B. have you been working C. had you been working D. will you work 5. The first use of atomic weapons was in 1945,

and their power _______ increased enormously ever since. A. is B. was C. has been D. had been 6. ----Hi, Alan, I have’t seen you for weeks.

What _________ recently? ----Studying. A. have you been doing B. have you done C. were you doing D. did you do

Homework Review the usage of present perfect continuous tense.