2011年12月大学英语四级语法精讲（2）_第2页

　　独立主格结构：
　　1、名词/代词＋现在分词/过去分词

　　2、在句中作状语

　　3、分词的一种，也有分词的几种事时态

　　4、with/ without复合结构

　　P41-49] All things _________, the planned trip will have to be called off.

　　A) considered B) be considered C) considering D) having considered

　　注：分词题型中 having +ed 都不要考虑

　　P6-58]The speaker, _________ for her splendid speeches, was warmly received by the audience .A) having known B) being known C) knowing D) known

　　注：having + v-ed做定语和状语都不会是答案

　　[P22-44]Homework _________ on time will lead to better grades.

　　A) done B) be done C) having done D) to have been done

　　[P22-45]The speech _________, a lively discussion started.

　　A) being delivered B) was delivered C) be delivered D) having been delivered

　　注：1. 考的是过去式独立主格结构。

　　2. 按时间顺序，先讲座后讨论，所以选D。

　　[P37-36]As early as 1647 Ohio made a decision that free, tax-supported schools must be established in every town _____ 50 households or more.

　　A) having B) to have C) to have had D) having had

　　[P44-48]The speech which he made _____ the project has bothered me greatly.

　　A) being concerned B) concerned C) be concerned D) concerning

　　注：1. which he made定语从句本身不是划线的内容的话，可以将其去掉不考虑。

　　2. concerning 为介词，关于。相当于 about/ over（国外常用）； concerning/ as to（国内考试用）。

　　3. bother 打扰；brother 兄弟 fiend 魔鬼；friend 朋友