there be句型是什么意思
人或事物的存在或某地有某物
句型结构:
1、There be句型中的be应和其后出现的补充语在单复数上保持一致,即“就近原则”,如:There are five books,two pens and a ruler in the school bag. There is a ruler,two pens and five books in the school bag.
2、如果主语是复数名词,却表示一笔金额或一个总数或表达一个单个概念时,则仍用单数be形式,如:There is duck and green vegetables for supper.
3、There be 中的be 有时可以是lie,stand,used to be,seem to be,appear to be 等,如:There lived an old man in the small house.
4、There is(was)+not +doing结构相当于It is(was) impossible to +动词原形,如:There is not going home. =It is impossible to go home.
定义
There be句型是英语中常用句型,意思是“有”,表示“人或事物的存在”或“某地有某物”。
其中there是引导词,没有词义;be是谓语动词;“某人或某物”是句子的主语;“某地"作句子的状语,多是介词短语。
There is a football under the chair.
椅子下面有一个足球。