英语词汇学Unit_02_Word_fromation_1.ppt

* Legion of: lots of 4. Number prefix semi- Peru is a semifeudal and semicolonial society. semicentury, semicircle, semidry demi- Hercules was known as a demigod and was considered one of the greatest heroes of mythology. demiwolf, demilance hemi- Generally speaking, the Eastern Hemisphere consists of Europe, Africa, Asia, and Australia, while the Western Hemisphere includes North and South America. hemicycle uni- Unicorn is an imaginary creature represented as a white horse with a long horn growing from its forehead. During the late 1980s, some sportsmen took an interest in the unicycle. Number prefix mono- She speaks in monotone, with no emotion, and it is hard to get through her lectures. Carbon monoxide, with the chemical formula CO, is a colorless, odorless, and tasteless gas. bi-, di- The bilateral agreement will create significant new opportunities for US exporters of industrial and agricultural goods. Dioxide oxide Tri- “Spring Days”–A Painful Triangular Love Story Testing The Brotherhood Spirit. tricycle, tridimensional space Number prefix multi- A multipurpose satellite of South Korea is to be launched on July 28 in Russia Multimedia kits, multilateral trade poly- What is the nature of unity in a multinational, polyethnic country? Polysyllable refers to a word of more than three syllables. Number prefix Common types of suffix Word-class changing suffixes Nominalizers are used to from nouns Verbalizers are used to form verbs Adjectivizers are used to form adjectives Adverbializers are used to form adverbs Word-class maintaining affixes Nominalizer Verb Affix Noun Adj. Affix Noun leak -age leakage accurate -y accuracy govern -ment government social -ist socialist Betray -al betrayal pure -ity purity resign -ation Resignation free -dom freedom defend -ce defence good -ness goodness Attend -ance attendance true -th truth attend -ant attendant Refer -ee Referee Depart -ure departure farm -er Farmer inquire -y inquiry Morphological Rule: V+age?N