Grammar教学内容概述

教学设计

高考易混易错时态辨析（一）

授课人

徐丽

学习目标：1能准确的判断出时态语态

2 让该语法项目成为高考必得分题

学习重难点：不同时态的区分及运用

学习方法：自主预习导学案内容，讨论合作，即境活用和综合练习。

★温馨提示

做对时态题的关键是1 主谓保持一致

2 认准时间状语

3 牢记特殊用法

教学环节：

Step 1

Lead-in 2017高考原题导入（提高同学对本节课的重视）

语法填空题

Steam engines ___65__

(use)

to pull the carriages and it must have been fairly unpleasant for the passengers. Later, engineers ___68____ (manage) to construct railways in a system of deep tunnels, which became known to the tube. 改错题

When summer came, they will invite their students to pick the vegetables!

Step 2

一

一般现在时

1 经常，反复，习惯

do/does

(主动)

2 客观事实，真理

形式

关键词

3 时间表，计划，

典型时间状语：usually often always sometimes frequently…

典型例题：1. When you ______her, please tell the news to her.(see) 2.If you go there, so _____ I. 3.Unless I ________,I’ll not go there.(invite)

am/is/are +done（被动）

4 主将从现

3题意在提醒同学主句该用什么时态就用什么时态

二

一般过去时

did(主动) 关键词：动作发生在过去，

形式 现在没有了，不是了，

was/were + done(被动)

与现在毫无关系

典型时间状语：yesterday

last year

3 days ago

in 1998 the other day= a few days ago

from then on

then

in the past

eg. I didn’t realize the importance of English then.(

)

You will be very rich then.(

) 此处注意黑斜体特殊短语

三

过去完成时

had done 形式

关键词：过去的过去

had been done 典型时间状语：before

by

… told,said 等动词后的宾语从句

典型例题

1 I lost the dictionary I ____________.(buy) 2 The train had gone when my brother _______at the station.(arrive) 3 He _______the film yesterday.(see) 4 He told me that he _______the film .(see)

四 现在完成时（此处应强调其与一般过去时的区别）

have/has done 形式 have/has been done 过去的动作对现在造成的影响或结果

关键词：

动作从过去发生持续到现在，还有可能继续下去

典型时间状语：since already so far up to now 典型例句 Senior high has already come, will it still be far in the university? in the last/ past 10 years for+时间段…

A We stayed there for 2 weeks. B We have stayed there for 2 weeks.

A I _________(go) out alone at night from then on. B I ________(go)out alone at night since then.

A He _______(like) playing computer games in the past. B He _______(like) studying English in the past 5 years. 通过成对出现的句子加强学生对题的理解与记忆

高考真题1 You don't need to describe her. I__________her several times.(meet) 2 I __________in London for many years, but I have never regreted my final decision to move back to China.(live)

五

现在完成进行时

形式 have/has been doing 动作的持续不间断

关键词

带有感情色彩 典型例句

A We have lived here for 2 years. B We have been living here for 2 years.

A I have read Tiny Times. B I have been reading Tiny Times.

I have been waiting for you for 3 hours.

固定句式（特殊需要说明的地方要给学生指出来）

1 This/It/That + is/will be the first/second…time + that 从句用现在完成时,若主句be动词用was,则that从句用过去完成时

2 It is/has been + 时间段 + since

从句，从句用一般过去时

3 It will be + 时间段 + before 从句（要过多久才…）

It won’t be + 时间段 + before

从句（要不了多久就…）

It was + 时间段 + before 从句（过了多久才…）

It wasn’t + 时间段 + before

从句

（没过多久就…）

4

hardly/scarcely…had done… when …did…

no sooner…had done…than…did…

5

was/were doing…when…did

was/were about to /going to do…when…did

was on the point of doing…when…did

(正要做某事突然…) had just done…when…did …

(刚做完…突然就…) 6

It is (high) time that sb. did/should do sth (该是某人做某事了) 7

would rather sb.did(现在，将来) would rather sb. had done (过去) （宁愿某人做某事）

Step3即学即练（加强巩固）

1 This is the first time I _______(come) here. 2 It was the third time that he ________(make) the same mistake. 3 I was about to go to bed when the telephone ________.(ring) 4 Hardly had I got home when the rain ________down.(pour) 5 I would rather you ________at home today.(stay) 6 I would rather you __________at home yesterday.(stay) Step 4 Revision