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课件网) Unit6 Keep our city clean Grammar time Learning targets 1.大家能熟练地运用词汇“clean, dirty, messy” 和句型“What made ...dirty/... ... made ... dirty! ...”进行对话交流谈论城市和学校的环 境问题。 2.在关注环境问题的基础上，通过谈论“What can we do to keep ... clean ”. 能够用“We can …”提出合理的建议和 想法。 Let’s review Make sentences Smoke from cars makes the air dirty. smoke air dirty Let’s review Make sentences Black smoke from factories makes the air dirty. black smoke air dirty Let’s review Make sentences Rubbish makes the streets messy and dirty. rubbish streets messy & dirty Let’s review Make sentences The river is dirty. The fish are dead. river fish dead Let’s talk 1. The air is dirty. The (black) smoke from... Take... /Move ... away from ... Plant ... Let’s talk 2. The streets are ... and ... Rubbish makes ... Put rubbish ... 3. Look at this picture. The river is ... The fish are … Because there’s ... We can … Let’s review What made the air dirty Smoke made the air dirty. What made the streets messy and dirty Rubbish made the streets messy and dirty. What made the air dirty ？ the streets messy and dirty Grammar time make 实义动词：做，制作： make a snowman 系动词：使……变得：make me happy. made是make的一般过去式。 What是特殊疑问词，引导一般过去时的特殊疑问句。 Smoke made the air dirty . the streets messy and dirty Rubbish Grammar time smoke和rubbish 是不可数名词 表示“使……成为”或“使……变得”；“名词”是“make”的宾语，表示被改变或影响的对象；而“形容词”则用来描述这个名词所达到的状态或特征。 名词 make+名词+形容词 形容词 Let’s talk What can we do to keep our city clean We can ... Grammar time What can we do to keep our city clean 询问为达到某种目的我们能做什么？ 问句：What can we do to+动词原形 情态动词，没有人称和数的变化 实义动词，意为“做；干” to+动词原形，表示做某事的目的 Grammar time 答语：We can+动词原形+其他. We can take the bus and the metro to school . walk to school put rubbish in the bin =throw rubbish in the bin plant more trees Grammar time 一、can的含义 表示“能力” 二、can的用法 1.can后加v原 2.can无人称和数的变化 三、can的各种句型 1.肯定句 主语+can+v原+其他 He can play the guitar. 2.否定句 主语+can't+v原+其他 He can't play the guitar. some变any 、and变or He can play some instruments. →He can't play any instruments. He can play the guitar and the violin. →He can't play the guitar or the violin. Grammar time 3.一般疑问句 Can he play the guitar Yes,he can. No,he can't. Can he play any instruments. 4.特殊疑问句 What can he do 四，拓展用法 1.表示“许可” Can I watch TV 2.表示“可能” It can't be true. 3.固定搭配 can't help doing sth 情不自禁做某事 can't wait to do sth 迫不及待做某事 五，否定形式 正式问题中cannot缩略形式can't 六，can的发音 句中一般弱读[k n] 末尾和强调重读[k n] 否定can't重读[kɑ nt] Pair work — Is the ... clean/dirty — Yes./No. it’s ... — What makes ... — ... makes ... — What can we do to keep ... clean — We can ... ... ...
