变句式按照步骤分一二三步.doc

变句式按照步骤分一二三步一提:指把be动词、情态动词、助动词提到主语的前面/一加:指加上助动词（或否定式）二变:指把相关的大小写做合理的变化，对应的单词做变化。/三问号: 指把结尾的句号变成问号3谓语动词是第三人称单数，在动词前加doesnt，动词用原形。1)She has a small mouth. She doesnt have a small mouth.2)Maria likes China. Maria doesnt like China.3)Jane comes from the U.S.A. Jane doesnt come from the U.S.A.练习：将下列句子变成否定句。1. I am a teacher. I a teacher.2. We are students. We students.3. Jane is a girl. Jane a girl.4. They like English. They like Chinese5. I come from China. I come from China.6. He likes Chinese. He like Chinese.7. Maria comes from Cuba. Maria come from Cuba.8. We know Maria. We know Maria.