(完整word版)一般现在时态动词的变化规则

动词的变化规则

教学目标

知识：理解动词的分类

掌握be动词及实意动词的定义

方法：掌握实意动词变单数第三人称的变化规则

能力：能够辨别出动词的原型及单数第三人称

教学重点

实意动词的定义及实意动词变单数第三人称的规则

教学难点

实意动词变单数第三人称的规则

教学过程

Step1:课堂导入

老师将下列句子呈现给学生，学生跟着老师读下列句子，对比每组句子的划线部分的区别。

1. He breaks his new cup.

His brothers break their new cups.

2. Their teacher asks them to finish their homework on time.

Their teachers ask them to finish their homework on time.

Step2:知识讲解

知识点1：动词的分类

动词分为：系动词、助动词、情态动词和实意动词四类。（be动词是系动词的一种）

知识点2：实意动词

实意动词是表示动作或者状态的词。当实意动词做谓语动词时其人称数必须和主语保持一致。此外，它们还有时态、语态、语气等变化。在一般现在时态中，除第三人称单数外，谓语动词用原形。主语是第三人称单数时，谓语动词要相应变化。

知识点3：一般现在时态中的动词变化规则

2.实意动词变第三人称单数的规则

1)一般情况下，动词后面直接加 -s.

eg： works, gets, says, reads

2) 以ch,sh,s,x 或 o 结尾的动词,在后面加 -es。

eg: go-goes teach-teaches wash-washes brush-brushes catch-catches do-does fix -fixes

3)以辅音字母+ y结尾的动词，把y变为i 再加-es.

Eg: Study - studies try-tries carry-carries fly-flies cry-cries

4)特殊变化have-has

Step3:练习

1.用括号内动词的适当形式填空。

（1）He often ________(have) dinner at home.

（2）Daniel and Tommy _____(be) in Class One.

（3）We often _________ ( watch) TV on Monday.

（4）They _______(have) the same hobby.

（5）My aunt _______(look) after her baby carefully.

（6）You always _______(do) your homework well.

（7）I _______(be) ill. I’m staying in bed.

（8）She _______(go) to school from Monday to Friday.

2.选择题

(1)Jenny! Do you know that one-third of the boys in our class______ the singer Jack ?

A. like

B. likes

C. liking

(2)Betty will ring me up when she _______ in Beijing.

A. arrive

B. arrives

C. arrived

D. will arrive

(3)my father _____ his bike to work every day instead of driving.

A. ride

B. rode

C. rides

D. will ride

(4)He said the sun ____in the east and ____in the west.

A rose; set

B rises; sets

C rises, set

D rise; sets

Step4:小结

本节课主要围绕一般现在时态中的动词常考点展开，即：一般现在时态中动词的形式及变化规则，需要重点掌握一般现在时态中主语为单三时实意动词的变化。

近年中考对语法点的考查往往是与语境想结合，因此，同学在做题时要结合语境来分析题目，灵活地运用语法知识。