人教精通小学英语四年级下知识点

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名词／代词单数变复数：
特殊情况：
1) 单复数同形的名词：fruit, kiwifruit
2) 以0结尾的名词：bread, rice, noodles, beef, pork, chicken, sheep, fish, hippos, potatoes, tomatoes
3) 一般名词变复数直接加s
词组搭配：
read a book, go swimming
知识点：
1. like + doing
2. want + to do: watch TV, go fishing
3. would like + to do
4. How/What about + doing: Today is Sunday. What/How about going swimming?
5. There be (is/are): There is a bed in the bedroom. There are 2 beds in the bedroom.
6. a/an 用法：a storybook, an English storybook, a boy, an English boy
句型转换：
（一）含有原句 be 动词的句子：
一般疑问句：
1. She is a girl. Is she a girl?
2. They are students. Are they students?
3. I am a teacher. Are you a teacher?
肯定/否定回答：
Yes, she is. / No, she isn't.
Yes, they are. / No, they aren't.
Yes, I am. / No, I am not.
否定句：
She is not a girl. They are not students. I am not a teacher.
练习：把下面句子分别变成一般疑问句，肯定/否定回答，以及变成否定句。
1. She is a teacher.
2. It is a cat.
3. We are students.
4. I am a teacher.

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