北师大版（三起）五上Unit 4 Position-Lesson 1 The Magic Show.-ppt课件-(含教案+视频)--(编号：d08a7).zip

现在进行时现在进行时 授课目的授课目的 现在进行时是小学四大时态之一，也是语法的基础，学好这一时态对今后做语法题尤其 是时态题有很重要的作用，针对该生语法基础比较薄弱的现况，加强这一方面的学习显得 尤为必要，希望学生能迎头赶上！ 授课内容：授课内容： 导入新课：I am watching TV. 授课过程：授课过程： Warm up and lead in Show some pictures and ask students to answer. - -What are you doing? 你在做什么? - I am reading English. 我正在读英语. -What are they doing? 他们在做什么? -They are singing. Presentation 概念概念：现在进行时表示正在进行或发生的动作，也可表示当前一段时间内的活 动或现阶段正在进行的动作。 常与 look、now、listen 连用 结构结构: 主语 + be ( am / is / are ) + v-ing + 句型句型: 1. 肯定句肯定句: 主语 + be ( am / is / are ) + v-ing + eg：Look,the boy is reading a book. eg： -Whats the bird doing? -It is singing. 2. 否定句否定句: 主语 + be ( am / is / are ) + not + v-ing + eg： The boy isnt reading a book now. -Is the horse running? -No,it is dancing. Look,they are dacing . They arent singing. 现在分词形式的变化规则现在分词形式的变化规则: 1. 直接在词尾加-ing. 如: do _ watch _ play_ 2. 以 e 结尾的词去 e 再加 ing. 如:dance_ write_ 3. 以重读闭音节结尾且末尾只有一个辅音字母的词, 双写该辅音字母再加- ing. 如: run _ swim _ 记忆口诀 现在分词很好记，动词后加-ing。 词尾若有哑音 e,去 e 再加别忘记。 遇到重读闭音节，末尾字母要双写。 Practice 1.Look! She _ a book.(read) 2.The boy _ a picture now.(draw) 3.Danny _ pictures now.(take) 4.Peter _ at school now.(run) Guessing Game Show some pictures and ask students to guess “what is he/she doing” Summary 1.概念：表示正在进行或发生的动作。 2.基本结构：be + doing 3.动词现在分词变化规则：记忆口诀 现在分词很好记，动词后加-ing。 词尾若有哑音 e,去 e 再加别忘记。 遇到重读闭音节，末尾字母要双写。 The present continuous tense 现在进行时现在进行时 基本用法基本用法 概念：表示现在正在进行的动作和发生的事概念：表示现在正在进行的动作和发生的事 现在进行时的标志性词语有现在进行时的标志性词语有now, look, at the moment, listen等等 现在进行时的基本构成：现在进行时的基本构成： 主语主语+be+be动词动词+ +现在分词现在分词 Eg: They are drawing pictures. 现在分词的构成规则：现在分词的构成规则： 1.一般在动词词尾加一般在动词词尾加-ing，如如：read-reading 2.以不发音以不发音e结尾，去结尾，去e加加-ing，如如：write-writing 3.以重读闭音节结尾的动词，末尾只有一个辅音字母以重读闭音节结尾的动词，末尾只有一个辅音字母 ，应先双写这一字母，再加，应先双写这一字母，再加-ing。 Eg：swim-swimming run-running cut-cutting shop-shopping sit-sitting 特殊变化特殊变化：lie-lying平躺，平躺，die-dying死亡死亡 常用的现在分词常用的现在分词 一般在动词原型后+ing go ask talk going asking talking 以不发音的e结尾的，去e， +ing write take live writing taking living 重读闭音节以一个辅音字 母结尾的，双写这一字母 +ing get run swim put shop geting running swimming putting shopping 现在进行时的句式：现在进行时的句式： 1.1.肯定句肯定句主语主语+be+doing Eg: I am doing my homework. 2.2.否定句否定句主语主语+be+not+doing Eg: I am not doing my homework. 3.3.一般疑问句一般疑问句bebe提到句首（注意人称变化）提到句首（注意人称变化） Eg: Are you doing your homework? 现在进行时 What is he doing? He is writing. What is she doing? She is reading. 现在进行时 What are you doing? I am running. 现在进行时 What is he doing? He is playing computer. 现在进行时 What is he doing? He is playing basketball. 现在进行时 What is she doing? She is drinking. 训练集中营训练集中营 写出下列动词的分词形式写出下列动词的分词形式 talk_ sleep _ watch _ sit _ listen _ make _ laugh _ lie _ cry _ sing _ cut_ write_ talking sleeping watching sitting listening making laughing lying crying singing cutting writing 选择适当的动词选择适当的动词,用动词的适当形式填空用动词的适当形式填空 watch have talk take come comb梳梳 play get say listen 1.Lily says”I _three markers and my sister _ one” 2.I want to_ to the radio after lunch. 3.She _ her hair in the morning after she _ up. 4.Miss Zhang is_on the computer with Jenny. 5.I _milk and bread for my breakfast everyday. have has listen combs gets playing have 6.Li Ming is_on the phone with his friend.His father_“Do your homework!” 7.My uncle is_a shower. He will_to_a film after supper. 按要求完成下列句子按要求完成下列句子 I am having a birthday party. _(一般现在时一般现在时) _tonight (一般将来时一般将来时) talking says taking come watch I have a birthday party. I will have a birthday party. 2.She sings a song in the room. _now(现在进行时现在进行时) _tonight(一般将来时一般将来时) 3.She will go to school. _ (现在进行时表示将来时现在进行时表示将来时) _(一般现在时一般现在时) 4.His father is writing a letter with a pen. _(一般现在时一般现在时) _(一般将来时一般将来时) She is going to school. She goes to school. His father writes a letter with a pen. His father will write a letter with a pen. She is singing a song in the room She will sing a song in the room 5.Her aunt draws a picture with markers. _(现在现在 进行时进行时) _(一般一般 将来时将来时) 6.老师正在和新学生们交谈老师正在和新学生们交谈. _ 7.他晚上经常看电视他晚上经常看电视. _ 8.我的外婆星期六早上将乘公共汽车来我的外婆星期六早上将乘公共汽车来. _ The teacher is talking with the new students. He often watches TV in the evening. My grandmother will come on Saturday morning by bus. Her aunt is drawing a picture with markers. Her aunt will draw a picture with markers. 5.The boy is laughing.(就画线部分提问就画线部分提问) 6.The old man has no children. (同义句同义句) 7.We are listening to the radio. (就画线部分提问就画线部分提问) 8.She is fifteen years old. (就画线部分提问就画线部分提问) What is the boy doing? The old man doesnt have any children. What are you listening to? How old is she? Good bye