句型和介词 语法汇总

1、Unit 5 there be 句型汇总一There be 句型定义there be句型：表示存在，即：“某处有某物（或人）”或“某时有某事”。句型基本结构：There is + 可数名词单数 或 不可数名词 + 时间或地点。 There are + 可数名词复数 + 地点。比如说：地上有个洋娃娃。There is a doll on the floor. 杯子里有些水。 There is some water in the cup. 书包里有些书。 There are some books in the schoolbag.考考你：用适当的be动词填空1.There _a photo in

2、my purse. 2.There_two boys in the bus. 3. There _a map on the wall? 4.There _two rulers and a pen over there. 5.There_a dog，a cat and five horses on the hill. 变脸一：否定句 There be句型的否定式,在be后加上not，肯定句中用some，否定句和疑问句中用any。 There is a bike behind the tree. There isn't a bike behind the tree. There are s

3、ome pictures on the wall. There aren't any pictures on the wall. 考考你：(变否定)1.There is an apple in the bag. _2. There are some pandas in the mountains. _用any和some填空1.There are _flowers under the tree. 2.Are there_birds in the picture? 3.There arent _cars behind the house. 4.Are there_books in the

4、bag? No,there arent . 变脸二：一般疑问句There be句型的一般疑问句变化:把be动词调整到句首，然后把句号改为问号。注意：当肯定句中有some时，要将其改为any。看看下面两句是如何"改头换面"的吧：There is some water on Mars.（火星） Is there any water on Mars?There are some fish in the water. Are there any fish in the water? 考考你：句型转换1. There are some dogs under the tree._肯定回

5、答_ 否定回答_2. There is a map of Macao on the wall._肯定回答_ 否定回答_3. There are some apples on the tree. _肯定回答_ 否定回答_4.There are some chairs in Nicks room. _肯定回答_ 否定回答_回答：肯定回答 Yes, there is / are. 否定回答 No, there isn't / aren't.there be 句型的口诀：there be 有特点否定be 后not 填疑问提be there 前疑否some any 换Unit 6 介词汇

6、总 一、地点介词in, at, on, under, between， in front of , behind1) in表示地点，意为“在里面”。What's in the box? 箱子里有什么？2) on意为“在上面”，用于表面接触，指在一个平面上。Whats on the table? 桌子上有什么？3) 表示“在某地”时，at后面接小地方，in后接大地方。 at home在家 at the bus stop在汽车站 in China在中国 in the world在世界 4）between指“两者之间”。The house stands between two farms. 这座房子位于两个农场之间。 5）in front of 和 behind in front of表示“在之前”。behind 表示在.后面其它表地点的：next to / / beside在.的旁边 near 在附近 opposite 在.的对面 二、介词at，in与on在时间方面的用法 l at表示时间的一点；He goes to school at seven oclock in the morning. 他早晨七点上学。 l in表示一个时期；Can