一般现在时教案

一般现在时

一、定义

(1) 表示经常发生或习惯性发生的动作时，用一般现在时态。

I often watch TV at home.

I usually get up at six .

I do my homework every night.

(2) 表示客观的事实，用一般现在时态。

There are seven days in a week.

The sky is blue。

二、特征词——一般现在时的好朋友

(1)every+时间： every day/ every week/ every month/ every year/ every morning/

every afternoon/ every evening…

(2)频度副词：always/ usually/ often/ sometimes/ rarely/ seldom /never

(3)次数：一次 once

两次 twice

三次 three times

一周两次 twice a week

每周四次 four times a week

每周六 on Saturdays

每周日 on Sundays

三、一般现在时的构成

(1) 肯定句的结构

①be动词：主语+be(am, is, are)+其它。

I am a boy. He is happy.

②行为动词：主语+行为动词(+其它)。

We study English.

The boy plays basketball.

★注意：

①当句子主语是I, we, they, you（第一、二人称）或复数名词时，动词用动词

形。

②当句子的主语是he, she, it或单数名词（第三人称单数）时，动词要用第三人

称单数的现在式形态（在动词后面加"-s"或"-es"）。

Mary likes Chinese.

第三人称单数动词变化

★课堂巩固操练（造句）

1: Tom、clean the room

2: A Cat、eat fish

3: Mary、watch TV

4: My mother、work in a factory

★练习

1.把下列人称归类

Tom, Jiamin, I , my father, you, they, my cousin, her daughter, our teacher, he, she, it, your sister, his friend, his friends, their brother, their brothers, the cat, little dog, the table, my bag

第一人称：

第二人称：

第三人称单数：

第三人称复数：

2.选择适当的词填空

(1)I ______(have, has) a beautiful toy bear.

(2)They _____ (have, has ) some postcards.

(3)Tim ______(have, has) a new basketball.

(4)My sister ________(have, has) three green skirts.

(5)I _________(like, likes) playing chess.

(6)He _______(like, likes) listening to the radio.

（2）否定句的结构

①be动词：人称+Be (am, is, are)动词否定形式+其它.

Be动词的否定形式

e.g.：I am not a boy. He isn’t happy.

②行为动词：人称 + 助动词否定形式 + 行为动词（+其它）

第三人称单数一般现在时的否定形式,在行为动词前加doesn’t (does not).

e.g.：I gets up early.

I don’t get up early.

We don’t study English.

★注意：一旦遇见“doesn’t”“do”这两个词时，动词必须还原。

e.g. The girl likes eating fruits very much.

The girl doesn’t like eating fruits at all.

Does the girl like eating fruits?

★课堂巩固操练

1: Tom、clean the room

2: A Cat、eat fish

3: Mary、watch TV

4: My mother、work in a factory

★练习——考考你

把下面的句子改为否定形式：

He is a worker .

He often play basketball .

The students are happy everyday。

I usually go to the zoo with my mother.。

We spend two hours on our homework every night.。

The cat looks lovely.

They dance after school.

（3）一般疑问句的结构（一般疑问句读音升调）

①Be动词+主语+其它？

Yes,主语+Be动词 No,主语+Be not.

E.g.: Are you Jim? —— Yes,I am (这里不能缩写).\ No,I’m Tom.

Is your father tall? —— Yes，he is.\ No, he isn’t.

②助动词（do\does）+主语+动词原形（+其它）？

Yes,主语+do\does. No,主语+do\does not.

E.g.: Do you have a story book? —— Yes,I do.\ No,I don’t.

Does Lily go to school by bike? Yes,she does.\ No,she doesn’t.