Identifying Sentence Errors一、主谓一致1. 就前原则(1) N1 of N2 verb（SAT考试中动词的单复数与N1有关，与N2无关）如：a group of students arethe details of the problems are例：The bright (A) fiberglass sculptures of Luis Jimenez has received (B) critical acclaim not only (C) in his home state, New Mexico, but also in (D) New York.No error (E). (P161.1)(2) 名词1+介词+名词2 如：students in the classroom名词，插入语，verb名词+doing/done 如：students studying hard例：Flints found in (A) the region extending from the Nile Valley to (B) the highlands of eastern Iraq attests to (C) the presence of people there as long ago as (D) one hundred thousand years. No error (E). (P166.3)2.“欲擒故纵”法动词单复数做题基本原则是就前原则，如果句子太长、太难、太复杂时，用“欲擒故纵”法。
3.动词单复数的特殊固定用法(1) a number of 一些；一般情况下其后动词用复数，（不受任何规律限制）；the number of …的数量；其后的动词在任何情况下都用单数。
量词考点：a group/list/line of 使用“就前原则”(2) 倒装结构：就后原则。
如：here comes the busa. 地点状语+动词+主语b. Only置于句首的倒装例：In the foothills of that large mountain range is (A) the sources of a river whose course (B) was not fully mapped (C) until (D) this century. No error (E). (P 776.19)例：Air pollution caused by industrial fumes has been studied (A) for years, but (B) only recently has (C) the harmful effects of noise pollution become (D) known. No error (E). (P167.6)4.名词集合名词：family, group, stuff, team, community，只要这些词以单数结尾，后面的谓语动词都用单数。
people, cattle, police ：其后的谓语动词用复数以s结尾的词：means, species, news以cs结尾的词：physics, mathematics，不表示复数，是单数。
以us结尾的词：octopus（章鱼）, platypus（鸭嘴兽）, -saurus（恐龙）考点：名词的单复数二、平行结构（1）名词，名词，and 名词例：Each time Caroline turns on her computer , she has (A) to enter a company code, then her initials, and then enters a password (B) before (C) she can begin working (D). No error (E). (P166.2)例：Of the hundreds of warm-water coral species, only a few (A) are highly prized (B) for use in jewelry because of their (C) beauty, luster, and they are hard (D). No error (E). (P533.12)（2）两者之间的平行如：not only…,but also…neither…,nor…either…,or……and/but….Not…but例：The labor union is negotiating (A) a contract with the hospital that (B) will satisfy (C) the demands of the workers and be acceptable to (D) all levels of management.No error (E). (P601.13)（3）句子的平行考点：同类比较特点：-er, more, than, as, like, unlike, compare to/with.如：The population of China is larger than that of America.所有格和所有格之间比较时，第二个所有格是不能省略的，需要补充that of/those of/’s。
A of b is more than c of d三、形容词和副词adj. + n. / pron.adv. + v. / adj. / adv.如：I find the book easy.I find the book easily.例：Although canoeing through (A) the rapids was exciting, it was (B) also exhausting, and we were happy for a time to have the canoe float serene (C) down (D) a smooth stretch of the river. No error (E). (P838.12)笔记：serene 平静的；serenely 平静地如：快速的发展中的国家rapidly developing country例：The research study reveals (A) startling proof of a constant (B) changing seafloor that comprises (C) the major part of (D) the underwater landscape. No error (E).(P602.29)例：Just how (A) critical an improved balance of trade is to (B) a healthy economy has never been (C) more clearer (D) than it is now. No error (E).（P659.18）作业：P167.7，P192.14，P409.17，P660.29，P721.22，P894.13，P896.27，P957.23。
四、逻辑主语（1）Doing/done …, SVO.如：Beaten black and blue, Kitty is crying.Beating black and blue, Kitty is crying.例：Contrasting with (A) most other (B) fifteenth- century rulers, Portuguese Kings could count on (C) the support of the aristocracy in any (D) overseas ventures. No error (E)例：Raised in a large and noisy city, it was only when I went away to college that I realized how delightful life in a small town could be.（P955.11）(A) it was only when I went away to college that I realized how delightful life ina small town could be(B) when I went away to college I then realized how delightful life in a smalltown could be(C) going away to college made me realize how delightful life in a small towncould be(D) I did not realize how delightful life in a small town could be until I wentaway to college(E) delightful life in a small town was unrealized by me until I went away tocollege例：While working as a nurse in the streets of Calcutta, that was when Mother Teresa developed a profound love for the poor.（P892.1）(A) that was when Mother Teresa developed a profound love for the poor(B) Mother Teresa developed a profound love for the poor(C) then the development of Mother Teresa’s profound love for the poor tookplace(D) Mother Teresa’s profound love for the poor developed(E) a profound love for the poor developed in Mother Teresa例：Having thought the problem through with some care, that the committee did not understand her solution frustrated the chairperson extremely.（P599.5）(A) that the committee did not understand her solution frustrated the chairpersonextremely(B) the chairperson’s extremely frustration resulted from the committee notunderstanding her solution(C) the chairperson’s frustration at the committee’s failing to understand hersolution was extreme(D) the chairperson was extremely frustrated by the committee’s failure tounderstand her solution(E) the committee’s failing to understand her solution was an extreme frustrationto the chairpersonwhile/when/by/on/through Doing/done …, SVO.例：By simply entering an Internet website or calling a toll-free number, a catalog order can be placed for almost anything from cheesecakes to fully equipped desktop computers.（P616.12）(A) a catalog order can be placed(B) by placing a catalog order(C) they will place your catalog order(D) you can place a catalog order(E) your catalog order can be placed例：Indicating their desire to extend free enterprise, Canadians elected a member of the Progressive Conservative Party, Kim Campbell, as Prime Minister in 1993.（P493.13）(A) Canadians elected a member of the Progressive Conservative Party, KimCampbell, as Prime Minister(B) Canadians’ election of a member of the Progressive Conservative Party asPrime Minister was Kim Campbell(C) Kim Campbell of the Progressive Conservative Party was elected PrimeMinister of Canada(D) the Progressive Conservative Party’s Kim Campbell was elected PrimeMinister of Canadians(E) a member of the Progressive Conservative Party, Kim Campbell, was electedby Canadians as Prime Minister例：Though now one of the most famous abstract artists, critics once ridiculed Jackson Pollock for his technique of splattering paint on canvases.（P532.8）(A) critics once ridiculed Jackson Pollock(B) critics once were ridiculing Jackson Pollock(C) Jackson Pollock once ridiculed by critics(D) Jackson Pollock was once ridiculed by critics(E) Jackson Pollock, having once been ridiculed by critics（2）SVO, doing/done …. S与分词SVO doing/done …. O与分词如：The boys are watching a galaxy of beauties passing by, slobbering.例：During (A) my most recent (B) trip, I came across (C) a wonderful antique store wandering (D) in the old quarter of the city. No error (E). (P533.16)五、代词代词一定要确切地指明具体对象。