老师：hello，everyone， welcome back my name is li ray im from Aerospace city school of rd fz， we are going to review the grandma items that weve learned for the first half semester。
老师：各位同学，大家好，我们又见面了。我是来自人大附中航天成学校的李蕊老师。本讲我们将一起进行期中复习，指导第二课时情境下的语法运用。
老师：let to look at the learning。 Objectives, by the end of this period, we will be able to, number one, recognize and understand the meaning of target grammatical structures in context. Number two, use target grammatical structures meaningfully and appropriate.
老师：本节课你将能够认识理解期中前 1- 4 单元语法项目能正确恰当的使用它们，并总结在你的复习海报之中。
老师：Before we start, I have questions for you. What is grandma and why do we have to know the grammar? Grammar is a set of patterns for how great are put together to form sentences, whether spoken or in writing. Grammar is not only like a friend who can help us learn English better, but also like a map that we can use to find our ways in learning English. As English learners, it is necessary for us to know the grammar. Do you agree? The final task is to complete the grammar part in your poster since you have finished the vocabulary part in the first period, right?
老师：同学们，你可以将本课学习的语法内容写在这个单元的复习海报之中。它包含以下语法项目， number one，yes， no and double questions。一般疑问句，即特殊疑问句。
老师：number two present tends to be。
老师：一般现在时 be 动词的用法， number three。
老师：No. 4, plural nouns, mingsi fu Shu. No. 5, propositions. Let's start now. In the first half semester, we have talked about these topics, including making new friends, the family, things in the classroom and things around the house.
老师：Now you can open your textbook and look through the contents and see the volumes of many grammatical structures. Here. Let's take a look together. The first grammar item is called yes, no questions. What, who and where can make WH questions? The present tense to be means the different forms of the verb B.
老师：M is R, my, your, his, her, these, these, that, those, I, he, she. They, mine, yours, his, hers. They are in a family. They are called pronouns. Then the plural nouns means one cat or two cats. Cats are plural nouns. On in under, they are called prepositions. And the word n is called the connective.
老师：For example, I like apples and bananas, the word and here is the connective.
老师：And we can use and to add more information, let's start from reading something. Sentences. The book is on the desk. Is the book on the desk? Yes, it is. No, it isn't. Where is the book? Can you find the relationship among these sentences?
老师：Look at the second one. Is the book on the desk? That is a question for the first statement. The book is on the desk. We call the second one, is the book on the desk as a yes no question, because the answer is yes or no. How is it formed?
老师：Let's look at the first statement. The book is on the d
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