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There be句型的用法讲解材料.ppt
* * Unit 4 There be句型的用法 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。 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)。 There is an orange in her bag. →There isn’t an orange in her bag. →There is no orange in her bag. 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)。 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。 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)。 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): 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
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