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课件网) （人教2024版）七年级下 Section A What’s the weather like Period 3 Grammar Focus (3a-3d) Unit 6 Rain or Shine Learning objectives 1.学生能够通过观察和分析示例句子，深入理解并准确辨析现在进行时的表意功能。 2.学生能够掌握并运用现在进行时的表达规则，同时能够掌握并运用其去表达意义。 3.以在户外娱乐为情境，运用现在进行时介绍天气和人们从事的活动，伙伴基于陈述的内容猜测地点，以小组为单位，在班级展示。 Bart sometimes _____ but he _____ now. plays football is playing basketball NEXT CHECK 1/4 Lead in Lisa _____ in her diary everyday but she _____ now. writes is riding her bike NEXT CHECK 2/4 Lead in The Simpsons sometimes _____ to the beach but they _____ at home now. travel are watching TV NEXT CHECK 3/4 Lead in Maggie always _____ well at night but she _____ at the moment. sleeps is crying 4/4 NEXT CHECK Lead in Bart sometimes plays football Lisa writes in her diary everyday The Simpsons sometimes travel to the beach Maggie always sleeps well at night Read the sentences. What tenses do they use 一般现在时 现在进行时 but he is playing basketball now. but she is riding her bike now. but they are watching TV at home now. but she is crying at the moment. Lead in Focus on 现在进行时 vs. 一般现在时 Present continuous tense vs. Present simple tense Presentation 表示现阶段习惯性、周期性、反复或经常发生的动作。 用法 1. We play football every day after school. 一般现在时 2. He often cleans his room at weekends. 3. The earth moves around the sun. 每天放学后我们都踢足球。 他经常在周末打扫他的房间。 地球围绕太阳转。 现在进行时 1. We are playing football. 2. He is cleaning his room now. 3. These days she is preparing for the exam. 我们正在踢足球。 他正在打扫房间。 这些天她正在准备考试。 表示现在正在发生的动作。 表示在现阶段持续发生的动作或存在的状态。 用于描述客观真理。 形式 一般现在时 现在进行时 be动词（am/is/are）+ V-ing 1. 动词原形 （主语为非第三人称单数） 2. 动词第三人称单数形式 （主语为第三人称单数） 实义动词第三人称单数的变化规则 1. 直接在动词后加-s eg: work → works；play → plays 2. 以“s, x, sh, ch”结尾的动词加-es eg: fix → fixes；watch → watches 3. 以“辅音 + o”结尾的动词加-es eg: go → goes；do → does 4. 以“辅音 + y”结尾的动词变y为i加es eg: study → studies V-ing变化规则： 1. 大多数动词后加ing。 eg: read → reading；walk → walking 2. 以不发音字母e结尾的动词，去掉e, 再 加ing。 eg: write → writing；dance → dancing 3. 以ie结尾的动词，变ie为y, 再加ing。 eg: lie → lying；die → dying 4. 以重读闭音节结尾的动词，末尾只有一个辅音字母，双写词尾的辅音字母，再加ing。 eg: run → running；stop → stopping Presentation 句式结构 一般现在时 现在进行时 肯定句： 否定句： 一般疑问句： 特殊疑问句： 主语 + be + V-ing+其他. 主语 + be not + V-ing+其他. - Is/Am/Are + 主语+ V-ing ... - Yes, 主语 + is/am/are. 或 No, 主语 + isn’t/am not/aren’t. 疑问词 + 一般疑问句 肯定句： 否定句： 一般疑问句： 特殊疑问句： 主语 + am/is/are + 其他. 主语 + do/does + 其他. 主语 + am/is/are not + 其他. 主语 + do/does not + 其 ... ...
