一般现在时改为
否定句：
否定句： 主语+ be + not +其它。
如：He is not a worker.他不是工人。
1.She is going to the bookstore. She is not going to the
bookstore. 2.I am reading a book. I am not reading a book.
一般现在时改为
否定句：
否定句：主语+ don't( doesn't ) +动词原形(+其它)。 如： I like bread.
I don't like bread. 当主语为第三人称单数时，要用doesn't构成 否定句。如： He often plays football. He doesn't often play football.
一般现在时
一般现在时：
表示：1.表示事物或人物的特征、状态。 2.表示经常性或习惯性的动作。 3.表示客观现实。
1. be动词： 主语+be(am , is , are)+其它。
如： I am a boy.我是一个男孩。
2. 行为动词： 主语+行为动词(+其它)。
如： We study English.我们学习英语。 当主 语为第三人称单数(he, she , it)时，要在 动词后加"-s"或"-e s"。
Practice:
1.Li Shan likes hamburgers. Does Li Shan like hamburgers?
2.Su Nan and Kitty pபைடு நூலகம்ay football. Do Su Nan and Kitty play football?
3.I run in the morning. Do you run in the morning?
Practice:
1.Li Shan is a good girl . Li Shan is not a good girl .
2.Su Nan and Kitty are good friends. Su Nan and Kitty are good friends.
3.I’m running. I’m not running.
一般现在时改为
一般疑问句：
一般疑问句： 2.行为动词的变化。 Do( Does ) +主语+动词原形+其它。 如：Do you often play football?
Yes, I do. / No, I don't. 当主语为第三人称单数时，要用does构 成一般疑问句。如：
Does she go to work by bike? Yes, she does. / No, she doesn't.
如：Mary likes Chinese.玛丽喜欢汉语。
一般现在时改为
一般疑问句：
一般疑问句：1.Be +主语+其它。 如：I am a student.
Are you a student? Yes. I am. / No, I'm not. 1. She is a teacher. Is she a teacher. Yes. she is . / No, she isn’t .
Practice:
1.Li Shan is a good girl . Is Li Shan a good girl?
2.Su Nan and Kitty are good friends. Are Su Nan and Kitty good friends?
3.I’m running. Are you running?
Practice:
1.Li Shan likes hamburgers. Li Shan doesn’t like hamburgers.
2.Su Nan and Kitty play football. Su Nan and Kitty don’t play football?
3.I run in the morning. I don’t run in the morning?