师梦圆初中英语教材同步人教版八年级下册 Section A Grammar focus 4a—4c下载详情

人教2011课标版《Section A Grammar focus 4a—4c》PPT课件下载-泰州市优质课

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5 现在完成时与过去时的区别.

考点一：现在完成时的概念，结构，标志性单词。

1。现在完成时：表过去发生的某一动作对现在造成的影响或结果,例如:

I have just cleaned my clothes. 我刚洗过衣服。

（“洗衣服”是发生在过去的动作，对现在造成的结果是“衣服干净了”）

I have just had my breakfast. 我刚吃过早饭。

(对现在的影响：不饿)

标志：通常与表示包括现在在内的时间副词 just（刚刚）, before（以前）,already（肯定句：已经）, yet（一般疑问和否定句：还）， never（从不）, ever（曾经）等状语连用

① I have never heard of him before.

② Have you ever ridden a horse?

③ She has already finished her homework.

2。现在完成时还表示过去已经开始，持续到现在的动作或状态，也可能继续下去的动作或状态。

标志：通常和 for（一段时间）, since（时间点）引导的时间状语连用.以及 so far, by now, these days, in the last ten years 等连用。

I haven’t seen her these days.

She has learnt English for 3 years.

They have lived here since 1990.

What has happened to the USA in the last few years?

3现在完成时结构：have（has）+过去分词构成

其否定句在Have/has后加not.

一般疑问句把have/has提到主语前.

动词的过去分词：

规则变化（和过去时一样）

1+ed:finished

2以e结尾+d:moved

3改y为i+ed:studied

4重读闭音节双写尾字母+ed

regretted/dropped/preferred

不规则变化 : 1 give-gave 2 read-read

3 hear-heard 4 grow -grew

动词的过去式与过去分词的不规则变化：

人教2011课标版《Section A Grammar focus 4a—4c》PPT课件下载-泰州市优质课

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教材

Unit 1 What's the matter?

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1d

Section B 2a—3b Self check

Unit 2 I 'll help to clean up the city parks?

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1e

Section B 2a—3b Self check

Uuit 3 Could you please clean your room?

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1e

Section B 2a—3b Self check

Unit 4 Why don't you talk to your parents?

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1e

Section B 2a—3b Self check

Unit 5 what were you doing when the rainstorm came?

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1d

Section B 2a—3b Self check

Unit 6 An old man tried to move the mountains.

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1d

Section B 2a—3b Self check

Unit 7 what's the highest mountain in the world?

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1d

Section B 2a—3b Self check

Unit 8 Have you read Treasure Island yet?

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1d

Section B 2a—3b Self check

Unit 9 Have you ever been to a museum?

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1d

Section B 2a—3b Self check

Unit 10 I 've had this bike for three years.

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1d

Section B 2a—3b Self check

考点

单词辨析

主题

语音

词汇

语法

语用

完形填空

阅读理解

补全对话

短文/单句改错

其它（教材同步资料）

翻译

写作

试卷

中考

专辑

教材

Unit 1 What's the matter?

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1d

Section B 2a—3b Self check

Unit 2 I 'll help to clean up the city parks?

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1e

Section B 2a—3b Self check

Uuit 3 Could you please clean your room?

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1e

Section B 2a—3b Self check

Unit 4 Why don't you talk to your parents?

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1e

Section B 2a—3b Self check

Unit 5 what were you doing when the rainstorm came?

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1d

Section B 2a—3b Self check

Unit 6 An old man tried to move the mountains.

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1d

Section B 2a—3b Self check

Unit 7 what's the highest mountain in the world?

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1d

Section B 2a—3b Self check

Unit 8 Have you read Treasure Island yet?

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1d

Section B 2a—3b Self check

Unit 9 Have you ever been to a museum?

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1d

Section B 2a—3b Self check

Unit 10 I 've had this bike for three years.

Section A 1a—2d

Section A 3a—3c

Section A Grammar focus 4a—4c

Section B 1a—1d

Section B 2a—3b Self check

考点

单词辨析

主题

语音

词汇

语法

语用

完形填空

阅读理解

补全对话

短文/单句改错

其它（教材同步资料）

翻译

写作

试卷

中考

专辑