therebe用法大全
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there be用法大全
1. 基本结构
一、构成:There be ...句型表示的是“某处有(存在)某人或某物”,其结构为There be(is,are,was, were??)+名词+地点状语。例如:
There are fifty-two students in our class.
There is a pencil in my pencil-case.
There was an old house by the river five years ago.
二、各种句式:
否定句:There be句型否定句式的构成和含有be动词的其它句型一样,在be 后加上“not”。也可用“no”来表示。即:no + n.(名词)= not a\an\any + n.(名词)。注意:no + n.(可数名词单数)= not a\an + n.(可数名词单数);no + n.(可数名词复数)= not any + n.(可数名词复数);no + n.(不可数名词)= not any + n.(不可数名词)。例如:
There is an orange in her bag.
→There isn’t an o range in her bag.
→There is no orange in her bag.
There are some oranges in her bag.
→There aren’t any oranges in her bag.
→There are no oranges in her bag.
There is some juice in the bottle.
→There isn’t any juice in the bottle.
→There is no juice in the bottle.
??一般疑问句:There be结构的一般疑问句变化只需把be动词移到句首,再在句尾加上问号即可。例如:
There is some money in her handbag.?
→ Is there any money in her handbag (疑问句和否定句中,some改为any, something改为anything.)
There is something new in today’s newspaper.
→There isn’t anything new in today’s newspaper.
→Is there anything new in today’s newspaper
特殊疑问句:
There be句型的特殊疑问句有以下三种形式:?
① 对主语提问:当主语是人时,用“Who’s + 介词短语”;当主语是物时,用“What’s + 介词短语”。其中there在口语中常常省略。注意:无论原句的主语是单数还是复数,对其提问时一般都用be的单数形式(回答时却要根据实际情况来决定)。如:?
? ? There is a bird in the tree. →What’s in the tree?
? ? There are some bikes over there. →What’s over there
There is a little girl in the room. →Who is in the room?
② 对地点状语提问:用“Where is \ are + 主语”表示(注意其答语变化):例如:?
? ?There is a computer in my office.?
→ Where is the computer ----It’s in my office.?
? ?There are four children in the classroom.?
→Where are the four children—They’ re in the classroom.?
?③ 对数量提问:一般有两种提问方式:?
如果主语是可数名词,无论是单数还是复数,都用“How many +可数名词复数 + are there + 介词短语”表示:
There are twelve months in a year.?
→How many months are there in a year
There is only one book in my bag.?
→ How many books are there in your bag
There is a cat in the box.?
→ How many cats are there in the box
如果主语是不可数名词,则用“ How much + 不可数名词 + is there + 介词短语”表示:
There is some money in my purse. How much money is there in? ?? ?? ?? your purse
反意疑问句:There be或There加其它动词,其反意疑问句一律用…there 例如:
There is a beautiful girl in the garden, isn’t there
There used to be no school here, used there \did there?
三、注意事项:
1. There be句型中be动词的形式要和其后的主语在人称和数上保持一致。
如果句子的主语是单数的可数名词,或是不可数名词,be动词用“is”“was”。例如:
There is a basketball in the box. ?
There is a little milk in the glass.
如果句子的主语是复数名词,be动词就用“are” “were”。例如:
There are many birds in the tree. ?
There were many people in the street yesterday. ?
如果有两个或两个以上的名词作主语,be动词要和最靠近它的那个主语在数上保持一致,也就是我们常说的“就近原则”。例如:
There is an orange and some bananas in the basket.?
There are some bananas and an orange in the basket.?
?2.??There与be中间可插入一些表推测的情态动词、表时态的短语和一些动词短语 (如和将来时be going to\ will、现在完成时??have\has + pp. 、used to 结构等连用,注意其构成形式,这一内容在我们日常练习中经常出现错误,是一难点,也是历年中考试题中的一个考点.)。例如:
There must be a pen in the box.
There happened to be some money in my pocket.?
There is going to be a meeting tonight.
There has been a big tree on the top of the hill.
There used to be a church across from the bank.
?3. There be句型和have\has的区别:
There be句型表示“存在有”, have\has表示“拥有” “所有”,两者不能同时使用.例如:
桌子上有三本书. There are three books on the desk.
我有三本书. I have three books.
2. 主谓一致
要采取就近一致原则,和靠近 be 的主语一致。如:
There is a pen, two rulers in the box. 盒子里有一只钢笔,两把尺子。
There are two boys and a teacher at the school gate. 门口有两个男孩,一个老师。
3. There be+名词+分词