老师：同学们大家好，欢迎来到北京市中小学空中课堂。我是来自北京市朝阳外国语学校北院分校的崔建新老师。今天我们学习的内容是外研版七年级上册 module three union three language in use we have learnt how to talk about my school， lets review what we have learned this is a picture of my school what can you see in the picture？
老师：theres a gate there are trees around the school in the middle of the school is the classroom building on the left of the classroom， building is the office building on the right of the classroom building is the science building where is the dining hall is there a library， oh its a secret lets see a world map， please look at the world map and completed with the words and expressions from the box what words are in the box？ they are blackboard，classroom，office，science，beauty， sports hall please do it first then well check the answers together this is my word map in the middle its the topic school， there are six buildings in the school a classroom building a Daniel hall， a sports hall a science beauty， an office beauty and a library there are books in the library what other things are there in the library？ maybe there are some maps computers and so on you can add more words to enlarge the world map with the help of the words， we can talk about our school the following sentences are useful lets have a look at the sentences why there are thirty students in my class two are their computers on everyones desk no there arent three is there a map of the world no， there isnt four how many students are there in your class five the library is on the left of the playground， boys and girls have you found any rules in the sentences yes from sentence one to sentence four we can see there is， or there are in each sentence we call it there be structure lets have a look at the sentence one by one， there are thirty students in my class。
老师：这句话用的是 ZRB 句型，这是 z b 句型的陈述句式。我们一起来看看碟儿 b 句型陈述句式的构成是什么？ there be 句型的肯定句式是 there is 或 there are，加某物或某人加地点。这句话中的 thirty students 就是某人 in my class 就是地点。
老师：lets go on are there computers on everyones desk no there arent。
老师：这是一个一般疑问句及其答语，同样它也是 there b 句型。那么 there b 句型的一般疑问句的构成是什么呢？我们一起来看一看。碟儿 b 句型的一般疑问句是把 be 动词提前到句首，也就是 is there 或 are there，加某物或某人加地点。句尾用问号，其回答是用 yes 或 no 加上 there is 或 there are 的肯否定形式构成这句话。用 are there 这个句型来提问， computers 是某物， on everyones desk 是地点，其否定回答是 no there arent。同学们，你们知道他的肯定回答是什么吗？right，他的肯定回答是 yes there are。
老师：我们再来看这一组问答， is there a map of the world， no there isnt。是不是很熟悉？这个就是我们刚刚讲过的菲尔 b 句型的一般疑问句及其回答。这句话用的 is there 这个句型来提问， a map of the world 是某物，而在这句话中没有出现地点，也就是表示地点的词可以省略，其回答是 no there isnt。我们用到了 isnt 是因为问句中用的是 is there。一般情况下，答语的 be 动词要与问句的 be 动词保持一致。我们一起来回顾一下他的肯定回答是什么？请同学大声告诉我，good，它的肯定回答是， yes there is。
老师：老师，有一个问题，请同学们思考，我们什么时候用is，什么时候用are？这个 be 动词的选择由谁来决定？是的，这个 be 动词的选择是根据某物或某人的情况来变化。当某物或某人是可数名词单数或者不可数名词时，我们用is。当某物或某人用的是可数名词复数时，我们就用are。同学们记住了吗？
老师
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