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定句 I am from London. I am from London.He is a teacher. He is a teacher.She is in the dining room. She is in the dining room. My hair is long. My hair is long. Her eyes are small. Her eyes are small. 歸納:在有be動詞的句子中,改否定句時只要在be動詞______加上_____。五、有be動詞的一般疑問句Are you a Chinese? Yes, . No, . Are they American? Yes, . No, . Is the cat fat? Yes, . No, . 六、there be 句型中be動詞的用法在there be 句型中,主語是單數(shù),be 動詞用is;主語是復(fù)數(shù),be 動詞用are; 如有幾件物品,be 動詞根據(jù)最近be 動詞的那個名詞決定。there be 句型的否定句在be 動詞后加not,一般疑問句把be 動詞調(diào)到句首。There be用法口訣w There be有特點(diǎn),主語放在be后面,w 單數(shù)主語用is ,復(fù)數(shù)主語要用are。w 變否定很簡單,be后要把not添。w 變疑問也不難,把be提到there前。w 否定疑問any換,就近原則多多練。There___________ a lot of sweets in the box.There___________ some milk in the glass.There____________some people un