最新小学英语-改否定句

主题： Sentences 句法--否定句 II. How to use用法：肯定句变否定句

第一类：含有is, am, are的句子，直接在is, am, are后面加not,

主语+ be （am is are）+ not

（I am not= I’m not is not=isn’t are not=aren’t）

例如：I am Jack. ---- I am not Jack.—I’m not Jack.

She is a doctor. ---- She is not a doctor.

It is a sunny day. ---- It is not a sunny day.

第二类：含can 的情态动词的句子, 在can 后面直接加not，can not= can’t。

例如：The bird can fly. ---The bird can not fly.

I can dance ____ I can not dance

第三类：含实意动词的句子变否定句，在do 或does 后面加not

主语+ do （does）not + 动词原形

例如：I get up at 7:00 every morning.

---- I don’t get up at 7:00 every morning.

Grandma often goes to the park in the morning.

---- Grandma doesn’t often go to the park in the morning.

2. 完成作业单上语法练习。

课堂练习一：将下列句子变成否定句。

1.I am Lily. ____________________________________

2.It’s a cat. ____________________________________

3. You are here.___________________________________

4.You are a nurse. _________________________________

5. She is happy. ____________________________________

6. It’s her bird. ____________________________________

7. This is your cap. __________________________________

8.That’s his cap. ___________________________________

9. My name is Tom. _________________________

10. I am a teacher _____________________

课堂练习二：将下列句子变成否定句。

1. I can play the piano. ____________________________________

2. She can walk to school. ____________________________________

3. Jenny can sing ._______________________________

4. Jack can play football. ____________________________________

5. The bird can fly . __________________________

6.Grandpa can run very fast. ___________________________________

7 .My sister can swim. _________________________

家庭作业

一.将下列陈述句变成否定句。

1, I am a student. ____________________________________

2.It’s a cat. ____________________________________

3.I have a dog.____________________________________

4.You are here.___________________________________

5.You are a teacher . _________________________________

6.My book is green . ____________________________________

7.It’s her bird. ____________________________________

8.This is your cap. __________________________________

9.That’s his cap. ___________________________________

10.I have two pencil boxes. ______________________________

二：将下列单词归类

Mother pencil green cat parents dress

Panda black book T-shirt ruler tiger

1, family: ____________________________________

2, school things :(学习用品) _______________________________ 3, clothes: ____________________________

4, animal (动物)：__________________________________