有关副词的用法the water poured through这里through做副词为什么要放动词之后呢放前面不行吗?副词在句中的位置我还搞不太清楚.

副词是用来修饰动词,形容词,其他副词或整个句子的一种词类.
在句中位置并不一定.例:
1.Tom runs fast. (fast修饰动词，作状语）
2.Mary sings very well.(very修饰副词，作状语）
3.It's very easy to do it.(very修饰形容词，作状语））
4.Certainly,I don't know.(certainly修饰全句，作状语）
5.Class is over.(over作表语）
6.The man there is Tom's uncle.(there作定语，一般后置）
7.I find the TV on.(on作宾语补足语）

我感觉是作介词啊.

本句中through是介词,
through完整的用法如下(都是放在动词之后,没有放在之前的用法):
through
KK:[]
DJ:[]
prep.
1.穿过;通过
The river runs through our village.
这条河穿过我们的村子.
2.以,用,凭借
She got the position through her older brother.
她通过她哥哥获得那个职位.
3.由于,因为
They became unemployed through no fault of their own.
他们的失业不是由于自身的过失造成的.
4.从...开始至终;在...整个期间
He read through the manuscript.
他把手稿从头到尾看了.
5.遍及,在...各处;在...之间,在...之中
She has traveled through Europe.
她已游遍欧洲.
6.完成;(做)完,(耗)尽
We all got through our examinations.
我们考试都通过了.
7.【美】从...直至
I'll be staying at camp for five days,Monday through Friday.
我将露营五天,从星期一到星期五.
8.越过...的限制;不顾
ad.
1.穿过,通过
2.直达[(+to)]
This train goes through to Paris.
这列火车直达巴黎.
3.从头至尾,直至完成
They played cards the whole night through.
他们通宵打牌.
4.以及格(或满意)的成绩
5.(电话)接通[(+to)]
Can you put me through to Mrs.Lodge?
请给我接洛奇太太好吗?
6.透,彻底
You shouldn't have gone out in the rain -- you're wet through.
你原不应冒雨外出,这不,浑身湿透了.
a.
1.直达的,直通的[B]
I'll take a through train.
我想搭直达车.
2.贯穿的,过境的[B]
3.完成的,结束的[F][(+with)]
Are you through with your letter?
你信写完了吗?
4.完结的,断交的,戒绝的[F][(+with)]
He is through with smoking.
他已不再抽烟.
Pearl and I are through.
珀尔和我吹了.
5.【英】(电话)接通的
6.【美】(电话)通话完毕的
以上结果由 Dr.eye译典通字典 提供