clwn.net
当前位置:首页 >> 求 BEForE Doing sth的用法????? >>

求 BEForE Doing sth的用法?????

before在这里只是个介词,所以后面需要跟动词的ing形式,与时态无关。因此,before doing sth.前是可以用过去时态的。 去电影院前,我去了图书馆可以如下翻译: I went to the library before going to the cinema. 如果帮助到你的话,请采纳,谢谢

before 后面是接doing,但是请注意:before后面有一个it。这个it是主语,所以选stops作其谓语。 stopping 不可以作谓语。

都对 前者是介词; 后者是从属连词,引导时间状语从句 【希望帮助到你,若有疑问,可以追问~~~ 祝你学习进步,更上一层楼!(*^__^*)】

We must have a plan before doing any work.做任何工作前,我们必须订好计划。 We all should warm up before doing some exercises.开始做运动前,我们都应该热身。 He always consulted others before doing anything .他做什么事情都先和别...

before making a decision相当于before you make a decision 这是固定的语言语法哈

前者

1、before后面直接跟动词的,那个动词就用ing形式; 例如:I go to the WC at first before going home. (在回家之前先去趟厕所) before后面有宾语的,其后动词就用原形; 例如,I clean the room at first before you come here. (在你来这儿...

区别是: be doing sth就是现在进行时,表示正在做某事。 doing sth 是现在分词,表示动作主动发生。 例句辨析: be doing sth 1、He is doing very well in his work. 他在工作中表现很好。 2、Let's give him line enough and find out what h...

leave sb doing sth让某人一直做某事,宾语与宾补之间是逻辑上的主动关系,表进行。 it is wrong of you to leave the machine running. leave sth to be done留下某事要做,不定式表将来。 We hurriedly ended our meeting,leaving many proble...

想要用介词+动名词短语作前置的时间状语,形式"在某人做了什么事后"的意思。其结构应该是: After sb.'s(用所有格,做动名词的逻辑主语)+doing sth. 如, After his (her) telling the truth, ……

网站首页 | 网站地图
All rights reserved Powered by www.clwn.net
copyright ©right 2010-2021。
内容来自网络,如有侵犯请联系客服。zhit325@qq.com