小学英语改否定句完整版.docx

HEN system office room 【HEN16H-HENS2AHENS8Q8-HENH1688】
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.
连接：课堂练习一讲解
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
连接：课堂练习二讲解
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。
I am Lily. ____________________________________
It’s a cat. ____________________________________
3. You are
are a nurse. _________________________________
5. She is happy. ____________________________________
6. It’s her bird. ____________________________________
7. This is your cap. __________________________________
’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 pla