英语人教版八年级下册现在完成时复习教案

英语人教版八年级下册现在完成时复习教案

现在完成时复习教案

内容：现在完成时

目的：让学生熟悉掌握.现在完成时的构成，.现在完成时的用法

步骤：

1.现在完成时的构成

现在完成时由动词have或has加动词的过去分词构成

现在完成时常用的时间状语：

already已经（用于肯定句）yet 还没有(用于否定句) just刚刚so far到目前为止seldom 很少never从不ever曾经since+过去时间点自从……以来for+一段时间有多长时间了in the past/last few years 在过去的几年里

2.现在完成时的用法

（1）过去动作持续到现在

现在完成时所表示的动作开始于过去，持续到现在，也许还会持续下去。常与for和since 连用。或与now, in the past/last few years, today, this week等表示包括现在时间在内的状语连用

I have never seen such fine pictures before. 我以前从来没有看过这么好的画。

Though he has read the book three times, he hopes to read it again. 尽管他已经把这本书读了三遍，他仍然希望能再读一遍

I have been very busy in the past few days在过去的几天里我一直很忙

（2）过去动作产生的影响

现在完成时所表示的动作在说话之前已完成，但对现在有影响。句中没有具体时间状语He has gone to Beijing(主语He目前在北京)

I have lost my walkman.(目前仍未找到)

（3）与表过去的不明确的时间状语连用

现在完成时可与不明确定指出具体时间的状语连用，

如already, yet, just, before, recently, lately等

He has already had his lunch他已经吃完午饭了

I haven’t seen much of him recently我近来很少见到他

（4）正确使用for和since

表示短暂动作的词（如：come，buy, die, go, join, marry等）的完成时不能与for、since等表示一段时间的状语连用

I have bought a house for six years（错误）

I have bought a house（正确）

I bought a house six years ago.(正确)

I have had the house for six years(正确)

He has joined the army since he graduated from school（错误）

He has joined the army(正确)

He joined the army two years ago(正确)

He has been in the army for two years(正确)

表示短暂动作的动词在进行如下转换后才可用于表示一段时间的完成时态借：borrow - has/have kept

买：buy - has/have had

感冒：catch a cold - has/have a cold

死：die - has/have been dead

入睡：fall asleep - has/have been asleep

病倒：fall ill - has/have been ll

参加：join - has/have been in

离开：leave - has/have been away

结婚：marry - has/have been married

开始：start - be on

这本书他已借了四天了

He has borrowed this book for four days ( )

He has kept this book for four days ( )

自从杰克从伦敦回来他就病倒了

Jack has fallen ill since he came back from London( )

Jack has been ill since he came back from London( )

戏已经开演半个小时了

The play has started for half an hour( )

The play has been on for half an hour( )

2.现在完成时用于下面2个句型中

①在有序数词及the only 构成的这一句型中，用现在完成时：

It the first

is+序数词the last +名词+that+现在完成时

This the only

It is the first time that I’ve seen such a wonderful building.这是我第一次看到这么雄伟的建筑It (this) is the second time that we’ve met each other.这是我们第二次见面

It (this) is the only book that he has ever written .这是他写的唯一一本书

②在有形容词最高级构成的这一句型中，用现在完成时：

It the best/the worst 现在

is+最高级+名词+that+

This the most interesting 完成时

It is the best film that I’ve ever seen.这是我看过最好看的电影。

This is the most interesting book that I’ve ever read这是我读过最有趣的书

3. have/has gone to /have/has been to:

have/has gone to表示“去而未归”；have/has been to表示“去已归来”

Eg：Hello，may I speak to Tom?

Oh,sorry! He has gone to London(去了伦敦还没回来)

Eg：John knows the way well. He has been to the city before.（以前去过已经回来）