詞性混淆誤用一直是TOEEL考題中最重要的命題形式。它與「基本句子結構」(本書要點之1)和「平行結構」(本書要點之4)組成TOEEL命題的三大焦點。有關詞性混淆的試題主要集中在written Expression (16-40題)中，命題範圍包括(1)並列結構中詞性一致、(2)形容詞與副詞混淆、(3)形容詞與名詞混淆、(4)名詞與動詞混淆。其中，形容詞用錯的題型佔此類命題的最大比例。接下來出國留學網小編為您解析詞性混淆常考題型及解題要點，以下是詳細內容，希望能對你有所幫助。
1. 並列連詞and but or結構要求詞性統一
全真例題分析
(1) Bigness. Boastful. And strong. Frontiersman Mike Fink was the subject of many folk tales. (93.3)
A 並列連詞and連接三個形容詞，故(A)Bigness應改為Big.
(2) The success of a naval ship is determined by its seaworthiness， speedy ，and maneuverability. (92.10)
D 並列連詞and連接三個名詞，而speed是形容詞，故應改為speed.
(3) Regulation of public utilities in the United States is carried out by locally state and federal governments. (92.5)
D 並列連詞and連接三個形容詞性質的詞，共同修飾後面的中心詞governnenrfs .而locally是副詞，應改為local.
(4) In Middle Ages. Books called bestiaries were prepared in an attempt to describe animals， real or imagine， that exemplified human traits. (92.5)
B 並列連詞or前面是形容詞real.之後亦應是形容詞imaginary.
2. 形容詞錯用為副詞
解題要點 形容詞用來修飾說明名詞或名詞性成分的，而副詞則可修飾除名詞以外的所有詞性及句子成分。
全真例題分析
(1) Animal life on Prince Edward island is confined large to ducks. Pheasants. And rabbits (93.5)
C 修飾限定介詞短語to ducks pheasants and rabbits 應用副詞largely.
(2) The General Sherman tree a giant sequoia in California， has grown to be the world*s largest plant at approximate 272 feet tall.
D 修飾說明數詞(272)應用副詞approximately.
(3) Because its body is supported by water， the blue whale can grow to a size considerable larger than any land mammal alive today. (93.8)
修飾形容詞短語larger than…應用副詞形式considerably.
(4) Once an important port of entry for immigrants to the United States. Island recent reopened its great hall s a museum of immigration. (92.8)
C 修飾整個句耶Ellis ls land reopened its great hall as a museum of immigration 應用副詞recently，表示時間。
(5) Because their properties differ from those of their constituents. Proper alloys can great increase the corrosion resistance of a metal.
C 修飾動increase 應用副詞greatly.
3. 以副詞後綴-ly組成的副詞錯用為形容詞
解題要點 A、B、C、D四個選擇答案中如果有以-ly形式構成的副詞，應首先考慮它的詞性是否正確，是否錯用為形容詞。 全真例題分析
(1) Parrots have heavily bodies and exceedingly strong legs. (93.8)
A 修飾名詞應用形從詞。Heavily 應改為heavy.
(2) The katydid a type of grasshopper is actively at night and rests motionless amid foliage during the day. (93.8)
B 改為形容詞active，作表語。
(3) Although the unified states experienced rapidly growth in the first half of the nineteenth century ，it was still predominately concerned with agriculture and forestry (93.10)
A 修飾名詞應用形容詞rapid growth.
(4) Although they are in different countries， Windsor. Ontario and Detroit， Michigan are close neighbors and cooperate on numerous matters of mutually interest. (91.5)
D 改為mutual interest.
4. 以名詞後綴- tion ，- sion 組成的名詞錯用為動詞
解題要點 A、B、C、D四個選擇答案中出現以-tion， -sion形式構成的名詞，應首先考慮它的詞性是否正確，是否錯用為動詞。
全真例題分析
(1) The work *saga* is often application to any narration of events of the past， whether mythical or historical in character. (92.10)
A application應改為applied，作謂語動詞的被動語態。
(2) Administrative assistants are often expected to make decisions， supervision staff， delegate responsibility， and work harmoniously with managers and fellow cmployces. (92.100
B supervision 改為動詞原形supervise與後面名詞組成動賓結構。
(3) Fascination by the promise of the internal engine and its application to a self-propelled vehicle， Henly Ford constructed a one-cylinder gasoline motor in 1892. (93.10)
A Fascination 改為Fascinated， 與後面的by 組成過去分詞短語作狀語。
(4) From 1872 to， Alice Elvira Freeman was Dean of Women at the newly foundation University of Chicago. (93.8)
D foundation 改為founded 過去分詞作定語，修飾University of Chicago
5. 由表示詞性的後綴- fur ，-tie -enc.， -ent，-tive都很可能是此題的考試焦點
全真例題分析
(1) Few theories are originality enough to be called unique. (92.10)
C 名詞originality應改為形容詞original 作表語。
(2) Height， powerful and speed are attributes that coaches often look for in basketball players. (93.8)
A 形容詞powerful應改為名詞power，與height和speed並列。
(3) A major purpose of scientific analysts is to idenufy and examine causal connections between independent and dependence variables. (93.1)
D 名詞dependence 應改為形容詞dependent， 用來修飾後面的名詞variables.
(4) A deficient of folic acid is rarely found in humans because the vitamin is contained in a wide variety of foods. (92.8)
A 形容詞deficient改為名詞deficiency.作主語。
(5) In nature， the distributive of plants is obviously related to climate. (90.8)
B 形容詞distributive 改為名詞distribution ，用主語。
(6) A foreign exchange rate is a price that reflects the relative supply and demand of difference currencies. (93.5)
D 名詞difference改為形容詞different，修飾後面的名詞。