therebe句型分析Thereisatreeinfrontofthehouse.这句子的成分分析具体点,谢谢了并且把它还原成正常语序.Therearetwoboysof9,andthreeof10.还有这个句子.为什么并列的是主语?还有为什么用逗号隔

Question

there be句型分析
There is a tree in front of the house.这句子的成分分析具体点,谢谢了并且把它还原成正常语序.There are two boys of 9,and three of 10.还有这个句子.为什么并列的是主语?还有为什么用逗号隔开可以不用吗?语法上怎么理解.4.There are two boys of Toms there.为什么两个there都是什么成分,后面那个感觉多余了,有些there be 句子后面还用个here怎么理解

Answer 1

1.There is a tree in front of the house.
There is 谓语
a tree 主语
in front of the house. 介词短语做地点状语.
2.There are two boys of 9,and three of 10.
There are 谓语
two boys of 9,and three of 10.两个并列的主语(意思是：“两个9岁的男孩【和】三个十岁的男孩”)
3.There are two boys of Toms there.
There are 谓语
two boys of Toms 主语
there.副词,做地点状语（意思是：“在那里”）