Therearebe句型用法是什么
Therearebe句型用法是什么
Therearebe句型用法是什么
Therearebe句型用法是什么
一、构成:Therebe...句型表示的是“某处有(存在)某人或某物”,其结构为Therebe(is,are,was,were)+名词+地点状语.例如:
Therearefifty-twostudentsinourclass.
Thereisapencilinmypencil-case.
Therewasanoldhousebytheriverfiveyearsago.
二、各种句式:
否定句:Therebe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)=notaanany+n.(名词).注意:no+n.(可数名词单数)=notaan+n.(可数名词单数);no+n.(可数名词复数)=notany+n.(可数名词复数);no+n.(不可数名词)=notany+n.(不可数名词).例如:
Thereisanorangeinherbag.
→Thereisn’tanorangeinherbag.
→Thereisnoorangeinherbag.
Therearesomeorangesinherbag.
→Therearen’tanyorangesinherbag.
→Therearenoorangesinherbag.
Thereissomejuiceinthebottle.
→Thereisn’tanyjuiceinthebottle.
→Thereisnojuiceinthebottle.
一般疑问句:Therebe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:
Thereissomemoneyinherhandbag.
→Isthereanymoneyinherhandbag?(疑问句和否定句中,some改为any,something改为anything.)
Thereissomethingnewintoday’snewspaper.
→Thereisn’tanythingnewintoday’snewspaper.
→Isthereanythingnewintoday’snewspaper?
特殊疑问句:
Therebe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:
Thereisabirdinthetree.→What’sinthetree?
Therearesomebikesoverthere.→What’soverthere?
Thereisalittlegirlintheroom.→Whoisintheroom?
②对地点状语提问:用“Whereisare+主语?”表示(注意其答语变化):例如:
Thereisacomputerinmyoffice.
→Whereisthecomputer?----It’sinmyoffice.
Therearefourchildrenintheclassroom.
→Wherearethefourchildren?—They’reintheclassroom.
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“Howmany+可数名词复数+arethere+介词短语?”表示:
Therearetwelvemonthsinayear.
→Howmanymonthsarethereinayear?
Thereisonlyonebookinmybag.
→Howmanybooksarethereinyourbag?
Thereisacatinthebox.
→Howmanycatsarethereinthebox?
如果主语是不可数名词,则用“Howmuch+不可数名词+isthere+介词短语?”表示:
Thereissomemoneyinmypurse.Howmuchmoneyistherein
yourpurse?
反意疑问句:Therebe或There加其它动词,其反意疑问句一律用…there?例如:
Thereisabeautifulgirlinthegarden,isn’tthere?
Thereusedtobenoschoolhere,usedtheredidthere?
三、注意事项:
1.Therebe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:
Thereisabasketballinthebox.
Thereisalittlemilkintheglass.
如果句子的主语是复数名词,be动词就用“are”“were”.例如:
Therearemanybirdsinthetree.
Thereweremanypeopleinthestreetyesterday.
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:
Thereisanorangeandsomebananasinthebasket.
Therearesomebananasandanorangeinthebasket.
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begoingtowill、现在完成时havehas+pp.、usedto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:
Theremustbeapeninthebox.
Therehappenedtobesomemoneyin