内容正文:
All time is no time when it is past.光阴一去不复返。
There be句型
在小学英语中,“there be”句型是一个重要的语法点。
一、句型结构
“There be + 某物/某人 + 某地/某时”,表示“在某地有某人或某物”。
二、be动词的形式
1. be动词的单复数形式取决于后面紧跟的名词的单复数:
● 如果后面的名词是单数可数名词或者不可数名词,be动词用is。
例如:There is a book on the desk.(桌子上有一本书。);
There is some water in the glass.(杯子里有一些水。)
● 如果后面的名词是复数可数名词,be动词用are。
例如:There are many apples in the basket.(篮子里有许多苹果。)
2. 就近原则:如果有两个或两个以上的名词作主语时,be动词的形式与离它最近的那个名词保持一致。
例如:There is a pen and two books on the table.(桌子上有一支钢笔和两本书。);
There are two books and a pen on the table.(桌子上有两本书和一支钢笔。)
三、一般疑问句及回答
1. 一般疑问句:把be动词提到there前面,句末用问号。
例如:Is there a book on the desk?(桌子上有一本书吗?);
Are there any apples in the basket?(篮子里有苹果吗?)
2.回答:肯定回答用“Yes, there is/are.”;否定回答用“No, there isn't/aren't.”。
例如:—Is there a book on the desk? —Yes, there is. / No, there isn't.;
—Are there any apples in the basket? —Yes, there are. / No, there aren't.
四、否定句
在be动词后面加not即可。
例如:There isn't a book on the desk.(桌子上没有一本书。);
There aren't any apples in the basket.(篮子里没有苹果。)
5、 巩固练习
㈠填空
1. There ______ a dog and two cats in the garden.
答案:is。(就近原则,a dog是单数,所以用is。)
2. Are there ______ pencils in your pencil case?
答案:any。(疑问句中表示“一些”用any。)
3. There isn't ______ milk in the bottle.
答案:any。(否定句中表示“一些”用any。)
4. —Is there a library in your school? —Yes, ______.
答案:there is。
5. There are some books on the desk.(改为否定句)
答案:There aren't any books on the desk.
㈡用“is”或“are”填空。
1. There ______ a pen on the desk.
2. There ______ some books in the bag.
3. There ______ a cat and two dogs in the room.
4. There ______ two apples and a banana on the plate.
答案:is;are;is;are
㈢将下列句子改为一般疑问句,并作肯定和否定回答。
1. There is a bird in the tree.
● 一般疑问句:Is there a bird in the tree?
● 肯定回答:Yes, there is.
● 否定回答:No, there isn't.
2. There are some flowers in the garden.
● 一般疑问句:Are there any flowers in the garden?
● 肯定回答:Yes, there are.
● 否定回答:No, there aren't.
㈣对划线部分提问。
1. There is a book on the desk.(提问)
● What's on the desk?
2. There are five apples in the basket.(提问)
● What's in the basket?
㈤汉译英。
1. 桌子上有一支铅笔。
● There is a pencil on the desk.
2. 教室里有一些学生。
● There are some students in the classroom.
㈥句型转换。
1. There is some water in the bottle.(改为否定句)
● There isn't any water in the bottle.
2. There are many trees in the park.(改为一般疑问句)
● Are there many trees in the park?
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