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1、-There be 句型1. 定义：There be句型表示*处存在*物或*人。2. 结构： (1) There is +单数可数名词/不可数名词+ 地点状语. (2) There are +复数名词+地点状语. there是引导词，在句中不充当任何成分，翻译时也不必译出。句子的主语是*人或*物，谓语动词be要与主语（*人或*物）的数保持一致。当主语是两个或两个以上的名词时，谓语动词要与跟它最近的那个名词一致。eg. There is a bird in the tree. 树上有一只鸟。 There is a teacher and many students in our classroo
2、m. 我们教室里有一位老师和许多学生。 There are two boys and a girl under the tree. 树下有两个男孩，一个女孩。3. There be句型与have的区别： (1) There be 句型和have都表示“有”的含义。区别如下：There be表示“*处存在*物或*人”；have表示“*人拥有*物/*人”，它表示所有、拥有关系。 eg. He has two sons. 他有两个儿子。 There are two men in the office. 办公室里有两个男人。 (2)当have表示“包括”、“存在”的含义时，There be 句型与其可
3、互换。eg. A week has seven days. =There are seven days in a week. 一个星期有七天。 变脸一：否定句 There be句型的否定式的构成和含有be动词的其它句型一样，在be后加上not或no即可。注意not和no的不同：not是副词，no为形容词，not a/an/any + n. 相当于no+ n.。例如： There are some pictures on the wall. There arent any pictures on the wall. =There are no pictures on the wall. Ther
4、e is a bike behind the tree. There isnt a bike behind the tree. =There is no bike behind the tree. 变脸二：一般疑问句 There be句型的一般疑问句变化是把be动词调整到句首，再在句尾加上问号即可，此为调整法。但同时要注意：当肯定句中有some时，要将其改为any（否定变化也一样）。看看下面两句是如何改头换面的吧： There is some water on Mars. Is there any water on Mars There are some fish in the water.
5、Are there any fish in the water 变脸三：特殊疑问句 There be句型的特殊疑问句形式有以下三种变化： 对主语提问：当主语是人时，用Whos+介词短语；当主语是物时，用Whats + 介词短语。注意：无论原句的主语是单数还是复数，对之提问时一般都用be的单数形式(回答时却要根据实际情况来决定)。如： There are many things over there. Whats over there There is a little girl in the room.Who is in the room 对地点状语提问：提问地点当然用Where is / a
6、re+主语啦！例如： There is a computer on the desk. Where is the computer There are four children on the playground. Where are the four children 对数量提问：一般有两种句型结构： How many+复数名词+are there+介词短语. How much+不可数名词+is there+介词短语.不定冠词（indefinite articles） a/an 的用法不定冠词最基本的用途就是用来表示“一”这概念，如： A stitch in time saves nine
7、. Jason is an internationally known scholar.此外，a/an 还有下列 6 种用途：常和time、measurement等有关的名词连用，以表示“每” 的概念，如： I teach five days a week. This type of vegetables is sold at one dollar a kilo. My car usually runs si*ty kilometres an hour.常和 hundred, thousand, dozen 以及数目及数量连用，如： That factory turns out at leas
8、t a hundred tyres a day. Noels monthly salary is a thousand dollars. I have a number of sponsored students. Mary has a lot of money.在“of / at”后面出现，以表示“同一类”这概念，如： Birds of a feather flock together.11. Please come one at a time.12. Things of a kind come together, so do people of a mind.常在“rather, quit
9、e, many, half, what, such”等字后面出现，形成固定用法，如：13. Tom is rather a fool.14. I think Chinese is quite a useful language.15. Many a student has asked that question.16. The visitor left half an hour ago.17. What a fine day it is!18. How can you say such a thing用在“so, as, too, how +形容词”这些结构里，如：19. We have no
10、t had so hot a day before.20. Susan is as clever a girl as Anna.21. That is too difficult a book for beginners.22. No one knew how serious a problem it was until later.出现在许多惯用语中，如：23. Bob always has a bone to pick with others.24. Some students turned a deaf ear to the teachers advice.25. All must le
11、arn a language with an eye to mastering it.26. I hope you will make an effort to attend the meeting punctually.27. Jason has an aversion to being idle.28. The news of Jacks sudden resignation came as a bolt from the blue.基数词，序数词一、 数词的分类 1. 基数词 表示数目的词称为基数词。其形式如下： A从110 one，two，three，four，five，si*，sev
12、en，eight，nine，ten B从 1119 eleven，twelve， thirteen， fourteen， fifteen， si*teen， seventeen，eighteen， nineteen 这里除 eleven， twelve， thirteen， fifteen， eighteen为特殊形式外，fourteen，si*teen，seventeen，nineteen都是由其个位数形式后添加后缀-teen构成。 C从 2199 整数几十中除twenty，thirty, forty，fifty，eighty为特殊形式外，si*ty，seventy，ninety都是其个位数
13、形式后添加后缀-ty构成。表示几十几时，在几十和个位基数词形式之间添加连字符“-” 21 twenty-one 76 seventy-si* D百位数 个数基数词形式加“hundred”，表示几百，在几十几与百位间加上and 101 a hundred and one 320 three hundred and twenty 648 si* hundred and forty-eight E千位数以上 从数字的右端向左端数起，每三位数加一个逗号“，”。从右开始，第一个“，”前的数字后添加 thousand，第二个“，”前面的数字后添加 million，第三个“，”前的数字后添加 billion
14、。然后一节一节分别表示，两个逗号之间最大的数为百位数形式。 2,648 two thousand si* hundred and forty-eight 16,250,064 si*teen million two hundred and fifty thousand si*ty-four 5,237,166,234 five billion，two hundred and thirty-seven million，one hundred and si*ty-si* thousand，two hundred and thirty-four F基数词在表示确切的数字时，不能使用百、千、百万、十亿的复数形式；但是，当基数词表示不确切数字，如成百、成千上万，三三两两时，基数词则以复数形式出现。 There are hundreds of people in the hall 大厅里有数以百计的人。 Thousands and thousands of people come to visit the Museum ofQin Terra-Cotta Warriors and Horses every day
