be动词用法全解.doc

Be 动词的三种形式(am, is, are) （一般现在时态中） I am in guangzhou now. My father (He) in Shanghai. My sister (She) is in Wuhan. Guangzhou (it) a city. We (Lucy and I ) students. You are a teacher. They(Guangzhou and Wuhan) cities. 练习：用am, is, are 填空。 The U.S._______ a big country. Guangzhou _______ one of the largest province in China. Guangzhou and Shanghai _______ morden cities. We _______ in Guangzhou now. I _______ a student in XX school. Lucy and I _______ teenagers. David _______ my classmate. You _______ my best friend. My dog _______ my best friend. My mother and sister _______ at home. Be 动词位置。 主语 Be 补语 I am from China. China is a country. China is big. Chinese is my native language. You are from Guangzhou. It is hot in Wuhan. 1主语放在句首。作主语的为：人或物。从主语看出我们在谈论的是谁或什么。 2 Be动词am, is, are 放在主语的后面。 3最后面的都是补语。以补语结束句子。补语表明主语的：属于哪类；地点；对主语描述等。 练习：用下面的单词，组成正确的句子。并说明是BE动词的哪种用法。 例子：big/ the U.S./ is The U.S.A. is big. （对主语分类） s/ beautiful/ China __________________ is/ Texas/ a big state __________________ hot today/ it/ is __________________ the teacher/ from/ is/ New York. __________________ years/ my brother/ is/ 25/ old. __________________ a big country/ America/ is __________________ in the classroom/ are/ the students __________________ the map/ on page 3/ is __________________ my parents/ in China/ are __________________ am/ I/ a student __________________ 主语与人称代词。 Beijing is big. My friend and I are in Guangzhou. It is in the North. We are in Guangzhou. My sisiter is a student. My cousins are in Shanghai. She is very happy. They are in Shanghai. My father is at work. China and Korea are countries. He is busy. They are in Asia. You are my teacher. Mr Gao and you are my teachers. You are my