英语七上 外研 Unit 2 第2课时 Understanding ideas(语法) 教学课件

Understanding ideas(语法) 第 2 课 时Can you change faces?beamisareLet’s review.Do you remember the boy’s and his grandfather’s hobbies?How do they feel when they play music together?There is so much fun in music.Read the sentences from the reading passage and summarise the grammar rules.5(a) …, I play the electric guitar in the school band.(b) There is so much fun in music.(c) …, the sound of Grandpa’s erhu cuts in. Can you find more sentences with these structures in the reading passage?Can you find any rules? 　一般现在时一、含义及结构1. 定义：表示现在经常反复发生的动作、存在的状态或习惯性的动作。2. 结构：主语＋be动词(am/is/are)/行为动词(原形/第三人称单数)＋其他．Grammar二、用法(一)be动词的一般现在时1. be动词在句中的形式随主语的人称和数的变化而变化。2. be动词的句式结构。含有be动词的一般现在时的疑问句是将be动词提到主语之前； 否定句是在be动词后加not。句式结构见下表：在一般现在时的表达中，be动词可以用于以下几种情况：(1) be＋形容词　 The city is big. 那个城市很大。(2) be＋名词　 They are my friends. 他们是我的朋友。(3) be＋介词短语 I am in Class One. 我在一班。(4) be＋副词 Class is over. 下课了。 be 动词的用法歌诀我（I）用am，你（you）用are，is 连着他（he）、她（she）、它（it），单数is复数are，不可错来不可差！一般疑问句首提，句末问号莫丢弃。变否定，也容易，be 后not 莫忘记。(二)行为动词的一般现在时行为动词的变化形式行为动词的一般现在时形式有原形和第三人称单数两种形式。(1)原形用于主语为第一、二人称和第三人称复数的句子中。变否定句或一般疑问句时要借助助动词do。We go to school from Monday to Friday. We do not (don't) go to school at the weekend.我们周一到周五上学，周末不上学。(2)第三人称单数形式用于主语为第三人称单数或不可数名词的句子中。变否定句或一般疑问句时要借助助动词 does,且行为动词变为原形。He gets up very early.他起床很早。He doesn't get up very early. 他起床不是很早。2. 句式结构3.行为动词第三人称单数形式的变化规则【典例】 Look! There ____ a notebook on the desk. A. is　　　 B. am　　　　C. are　　　　解析：考查一般现在时和there be句型的用法。句意：看！桌子上有一个笔记本。根据“Look！”可知，句子是一般现在时；主语是a notebook，为第三人称单数，应用is。故选A。 Read and complete the sentences with the correct form of the words in the box.6滑冰,溜冰排球(运动)俱乐部 Read and complete the sentences with the correct form of the words in the box.6wantisenjoys playsmeet readRead and complete the passage with the correct form of the words in brackets.7areislikeshopesaysloveiswanttellsBeijing operapaper-cutting Work in pairs. Write about your hobby.8Use the Useful expressions to help you. Work in pairs. Write about your hobby.8I like rock music. My hobby is playing the electric guitar.I play the guitar on the stage with my grandfather. He plays the erhu. It feels great to play music together. Then talk with your partner and take notes.8Pair workTalk with your partner.Photography. l like taking photos. There’s so much fun in it.What’s your hobby?Can you give an example?Yes. I go to the park with my friend. There are flowers all around. A butterfly comes and lands on her hair. I take a photo and share it with her. She is so surprised and happy!Language pointsTraditional art lovers传统艺术爱好者traditional〔形容词〕传统的;习俗的;惯例的The kite is one of the traditional folk arts in China.风筝是中国传统民间艺术之一。拓展 tradition〔名词〕传统The tradition of tea drinking starts in China long ago.饮茶的传统起源于中国古代。Ⅰ.用be动词的适当形式填空1.— How you? — I fine. Thanks.2.—What that? — It a blackboard.3. —How ______ your grandparents? —They fine. Thanks. 4.— Who the girl over there? she your friend? — No, she isn’t. She’s my sister.5. Bob _____ my friend，but we ____ not in the same class.areisamareareareisisIsisⅡ.按要求完成下列句子，每空一词 1.I am Li Ming.（改为一般疑问句并作肯定回答）—_____ ______ Li Ming?— Yes, _____ ______. 2.The boy is in Class 1, Grade 7.（改为否定句）The boy _____ _____ Class 1, Grade 7.3. He does his homework in the afternoon.（改为否定句）He __________ ______ his homework in the afternoon.4. I play basketball after school.（改为一般疑问句并作否定回答）—_____ ______ ______ basketball after school？—No, I ______ .Are youI amisn’t indoesn’t doDo you playdon’tMake a short video about your hobby and talk about why you like it. Introduce your hobby and why you like it to your friends.Homework