求助PREP2008语法笔记-182题，关于主从句动词时态的疑惑

zcstc007 · 发表于 2013-2-16 11:45:50

Theorganicfoodindustry has organized a successful grassroots campaign—using Web sites, public meetings, and also mass mailings—that have convinced the Department of Agriculture to change the proposed federal regulations for organically grown food.
A. using Web sites, public meetings, and also mass mailings—that have convinced
B. using Web sites, public meetings, and mass mailings—that has convinced
C. by using Web sites, public meetings, and mass mailings—in convincing
D. by the use of Web sites, public meetings, as well as mass mailings—that convinced
E. which used Web sites, public meetings, and mass mailings—in convincing

答案选B

我不记得是OG还是VERBAL上关于现在完成时态这里有这么一个概念，没有明确的时间概念在句子中的时候，如果主从句都用现在完成时态，那么很难判断出这两个动作发生的先后顺序。只知道他们都是发生在过去。
请原谅我刚大致翻了几页这两本书完全没印象是哪到题目讲到这个来着。我就是凭借这个概念一来就把A，B排除掉了，最后发现5个全有错误的时候被迫选了个C

yiqing2012 · 发表于 2013-2-16 13:54:59

SO?LZ有什么问题？前后都用现完是可以的啊~

kiwifoodtown · 发表于 2013-2-17 12:48:31

LZ的问题是什么？B很明白啊，时态一致，动词一致，没什么可疑惑的。

kiwiya · 发表于 2013-2-20 18:10:18

convince那里考的是主谓一致，主语是单数，所以排除A。

求助PREP2008语法笔记-182题，关于主从句动词时态的疑惑

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