2.句型转换:
• 否定句: 在be动词am,is,are后加not,并作相应的
缩写为 amn′t, isn′t, aren′t. • 一般疑问句:
把be动词 am, is, are提到句首,大写 首字母,句末加问号,读为升调↑.
肯定回答用: Yes, 主语+ am /is /are. 否定回答用: No, 主语+amn′t / isn′t /aren′t.
• 3. I’m a good student. →I′m not a good student.
→Are you a good student? (变为一般疑问句时第一人称换为第二 人称)
Yes, I am.(肯定回答不能缩写.) No, I′m not.
• 4. Tห้องสมุดไป่ตู้is is my key.
人教版七年级英语上册知识点
be动词用法(一般现在时态)
宣威市文兴乡一中 徐玉娥
1.运用口诀:
我用am, 你用are, is跟着他(he)她(she)它(it), 单数用is, 复数用are.
用法演示:
1. I am a girl. 2. You are a teacher. 3. He is my father. 4. She is fine. 5. It is a ruler. 6. His pen is red. 7.My cat is nice. 8. We are friends. 9. They are good boys.
→This isn′t my key. →Is this your key?↑ Yes, it is.(肯定回答不能缩写.) No, it isn′t. 注:以this,that 作主语的问句,回答用Yes, it is. No, it isn′t. 而以these, those作主语 的问句,回答用Yes, they are. No, they aren′t.