英语人教版八年级下册释疑解惑.docx

Teacher leads students to read and understand the following knowledge about there be Sentence Pattern. At the same time, teacher tells students to pay attention to its structures, the changeable forms of the sentence structures(especially its changeable forms of verb be ), some kinds of changeable forms of the tenses on there be, the differences between there be and havehas .定义: There be句型表示“某处有某物、 某人”或者“某个时间有某事”。结构: 1 There be a/an可数名词单数形式状语时间/地点 主语2 There be不可数名词/可数名词复数形式状语时间/地点 主语 注意：be动词的数须与其后主语的数保持一致，即就近一致原则；此外be动词还有时态的变化。 比如: There is an egg and two apples at the door. There were two meetings and a football match yesterday morning.There be句型常考句式变化（）否定句 在There be句子中，只须把not放在be动词之后即可变成否定 句(句中若有some,变为any即可)。 比如：1. There is a cat in the tree. There is not a cat in the tree. 2. There is some rice in the bowl. There is not any rice in the bowl. 3. There were some boxes and a ball on the floor. There were not any boxes and a ball on the floor.There be句型常考句式变化()一般疑问句把be动词放在there之前就可变成一般疑问句。 比如： 1. Is there a cat in the tree？ 肯定回答 Yes, there is. 否定回答 No, there isnt. 2. Are there any pictures on the wall? 肯定回答 Yes, there are. 否定回答 No, there arent. 3. Will there be a meeting tomorrow? 肯定回答 Yes, there will. 否定回答 No, there wont. There be句型常考句式变化()特殊疑问句 当there be句型中的主语部分是人 时，常用特殊疑问词who来提问；当there be句型中的主语部分是物时，常用特殊疑问词what来提问；在口语中there 常被省略并且be动词常用单数形式（答语由实际情况而定）。当there be句型中的主语部分中的数字被提问时，常用特殊疑问词how many和 how much来提问。比如： 1. There are some bananas on the tree. What is on the tree？ 2. There is a bird in the tree. What is in the tree. 3. There are 48 students in our classroom. How many students are there in our classroom. There be句型中be动词常考的形式变化()There be句型的一般现在时的结构 There is/are某人/物/事状语时间/地点比如： 1. There is a picture on the wall.2. There is a bag behind the chair.3. There is an English book in the desk.4. There are four pictures on the wall.5. There are some shoes under the bed.6. There are two boys in front of the house.There be句型中be动词常考的形式变化()There be句型的一般过去时的结构There was/were 某人/物/事状语时间/地点 比如： 1. There was a little water in the cup the day before yesterday. 前天这个杯子里还有点水。 2. There were two empty seats here just now. 刚才这儿还有两个空座位。There be句型中be动词常考的形式变化()There be句型的一般将来时的结构 There will/is/are going to be 某人/物/事状语时间/地点比如：1. There will be an important meeting in our school next Wednesday.下周三我们学校将会有一个重要的会议。2. There are going to be two football matches and a meeting this week. 本周会有两场足球赛事和一个会议。There be句型中be动词常考的形式变化()There be句型中含有情态动词的结构 There must/can/might/could be某人/物/事状语时间/地点比如： There must be a heavy rain tomorrow. 明天一定有一场大雨。There be句型与have/has的区别 There be表示“某处客观存在” ，强调存在，不表示所属关系。 比如：There is a desk in front of her. （强调a desk 在her面前存在）Have/has表示“某人所有” ，强调所属关系。 比如：Tom has a book. 强调a book为Tom所有与There