Unit 17 Smile please.（课件）-2023-2024学年新概念英语青少版 1B

Review 1.There be 句型 定义： 结构： 变否定句规则： 变一般疑问句规则： 回答： 2.some、any的用法 3.就近原则 Grammar there be句型 定义：某地有某物或某人 单数句型： There is +a/an+名词单数+地点 复数句型： There are+数量/some/many+名词复数+地点 There be句型否定句变化规则。 一找 be动词 二加 be动词后加 not 三变 some 变 any eg: There is not an appple on the desk. There are not any apples on the desk. There be句型一般疑问句变化规则。 一找 be动词 二提 be动词提句首 三变 some 变 any,符号，大小写 肯定回答： Yes, there is. /Yes, there are. 否定回答：No, there isn’t. / No, there aren’t. Grammar 2 some,any的用法 some：用于肯定句中any: 用于 否定句和疑问句中 Would you like some _____? 表示寻求建议时用some. There be句型中，be动词的形式由离它最近的名词的单复数决定。 Grammar 3 There be 句型----就近原则 1.There is a dog on the yard. 2.There are some flowers in the park. 3.There are five apples in my bag. 4.There is a boy in the house. 5.There are some tomatoes in the kitchen. 6.There is an egg in my hand. 7.There are four students in the classroom. 8. There are some books on the desk. Grammar I can dance. We can swim. They can draw. Grammar 1 can 的用法 定义： 表示“可以，能够” 结构： 主语(sb) + can + 动词原形 eg. I can swim. She can draw. 1.我会游泳(swim)。 2.他会打棒球。(play baseball) 3.我们会跑。(run) 4.Lucy会骑自行车。(ride a bike) 5.她会唱歌。(sing) 6.Robert 会放风筝。(fly a kite) 7.我会读书。(read books) 8.他们会看电视。(watch TV） pss I can‘t cook. They can‘t play ping-pong. 变否定句变化规则： 一找 找到can 二加 在can后面加not some变any eg. I can draw pictures. I can’t draw pictures. can’t= can not 1. I can play football. 2.He can draw some pictures. 3. We can eat cake. 4. She can read a book. 5.They can fly a kite. 6.Lucy can find some desks. 7. You can sing a song. 8. Robert can fly a kite. I can dance. Can you dance? They can draw . Can they draw ? 一般疑问句变化规则： 一找 找can 二提 把can提至句首 三变 人称一变二（I/we 变you,my/our变your), 首字母大写， 句号变问号。 eg. I can draw pictures. → Can you draw pictures? 回答： Yes, 主语(sb) + can. No, 主语(sb) + can’t. eg. I can draw some pictures. → Can you draw any pictures? Yes, I can. No, I can’t. Do exercise 1. I can play